Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall walks in to a Democratic field office in Aurora, Colorado to thank volunteers with his daughter Tess Udall on November 3, 2014. Udall...
Sen. Mark Udall thanks volunteers at a Democratic field office on November 3, 2014 in Aurora, Colorado. Udall is facing off against Republican...
Sen. Patty Murray speaks during a news conference to announce they will fast-track new legislation to prevent for-profit employers from refusing to...
Sen. Charles Schumer speaks during a news conference to announce they will fast-track new legislation to prevent for-profit employers from refusing...
Sen. Mark Udall participates in a news conference about the Supreme Courts recent Hobby Lobby decision, on Capitol Hill, July 9, 2014 in Washington,...
Sen. John McCain , Sen. Mark Udall and Sen. Joe Lieberman talk before U.S. President Barack Obama's State of the Union address on Capitol Hill on...
Sen. John Kerry , Sen. John McCain , Sen. Mark Udall and Sen. Joe Lieberman talk before U.S. President Barack Obama's State of the Union address on...
Sen. Mark Udall thanks volunteers at a Democratic field office on November 3, 2014 in Aurora, Colorado. Udall is facing off against Republican...
Sen. Mark Udall, D-Colo., poses for photos during his mock swearing in ceremony in the Old Senate Chamber on Tuesday, Jan. 6, 2009.
Mark Udall, a Democratic Senate candidate from Colorado, speaks during a news conference to discuss the upcoming Senate races on the third day of the...
Mark Udall, a Democratic representative from Colorado, speaks on day four of the Democratic National Convention at Invesco Field at Mile High in...
Mark Udall, U.S. Representative from Colorado and candidate for the U.S. Senate, campaigns at a Fourth of July parade in Greeley, Colorado, U.S., on...
Mark Udall, U.S. Representative from Colorado and candidate for the U.S. Senate, campaigns at a Fourth of July parade in Greeley, Colorado, U.S., on...
Sen. Mark Udall answers a reporter's question during a news conference with Senate Banking Committee Chairman Chrisopher Dodd and Sen. Jon Tester at...
Sen. Mark Udall participates during a Senate Energy and Natural Resources Committee hearing on Capitol Hill on March 5, 2009 in Washington, DC. The...
Sen. Mark Udall speaks during the confirmation hearing for U.S. Interior Secretary-designate and incumbent U.S. Sen. Ken Salazar before the Senate...
Interior Secretary-designate and incumbent U.S. Sen. Ken Salazar chats with Sen. Mark Udall during his confirmation hearing before the Senate Energy...
Rep. Mark Udall speaks during a taping of "Meet the Press" at the NBC studios September 28, 2008 in Washington, DC. Udall is running for the U.S....
Former U.S. Rep. Bob Schaffer debates with current Rep. Mark Udall during a taping of "Meet the Press" at the NBC studios September 28, 2008 in...
Colorado U.S. Senate candidate Mark Udall, during a news conference on Senate races for the fall campaign.
Rep. Mark Udall , Dick Obermann, and Rep. Bart Gordon greet NASA Administrator Michael Griffin as he prepares to testify before the House Science...
Former Supreme Court Justice John Paul Stevens talks with U.S. Sen. Mark Udall after testifying before the Senate Committee on Campaign Finance on...
From left, Sens. Mark Udall, D-Colo., Rand Paul, R-Ky., and Ron Wyden, D-Ore., talk with reporters in the Capitol on the NSA's gathering of email and...
Colorado Governor John Hickenlooper and U.S. Senators Mark Udall and Michael Bennet take a photo with Colorado students, who are part of a group call...
Senator Mark Udall announce a second round of HUD disaster recovery funds to the State of Colorado, Friday, March 14, 2014. The event took place on...
Shaun Donovan, Secretary of U.S. Housing and Urban Development, joined by Colorado Governor John Hickenlooper and U.S. Senators Mark Udall and...
Shaun Donovan, Secretary of U.S. Housing and Urban Development, joined by Colorado Governor John Hickenlooper, left, and U.S. Senator Mark Udall,...
From left, Colorado Governor John Hickenlooper and U.S. Senator Mark Udall, and Shaun Donovan, Secretary of U.S. Housing and Urban Development,...
Sen. Mark Udall, D-Colo., listens to testimony during the Senate Armed Services Committee hearing on U.S. Central Command and U.S. Cyber Command...
From left, Sen. Martin Heinrich, D-N.M., Sen. Mark Udall, D-Colo., and Sen. Ron Wyden, D-Ore., talk before the start of the Senate Intelligence...
Sen. Mark Udall, D-Colo., sports a Denver Broncos Peyton Manning jersey in the Capitol en route to the senate luncheons on the day President Obama...
Sen. Mark Udall, D-Colo., sports a Denver Broncos Peyton Manning jersey in the Capitol en route to the senate luncheons on the day President Obama...
Sen. Mark Udall, D-Colo., sports a Denver Broncos Peyton Manning jersey in the basement of the Capitol en route to the senate luncheons on the day...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall addresses guests at a Democratic Party election night event with his family at his side, son Jebediah Udall, wife Maggie L. Fox and...
Sen. Mark Udall addresses guests at a Democratic Party election night event with his family at his side, son Jebediah Udall, wife Maggie L. Fox and...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall addresses guests at a Democratic Party election night event with his family at his side, son Jebediah Udall, wife Maggie L. Fox and...
Sen. Mark Udall is flanked by family and staff as he addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall addresses guests at a Democratic Party election night event at the Westin Denver Downtown Hotel on November 4, 2014 in Denver,...
Sen. Mark Udall poses for a picture with field organizer Danny Glover of Macon, Georgia while thanking volunteers at a Democratic field office in...
Sen. Mark Udall takes a moment to play with Angus McGee, a 13 week-old Australian Cattle Dog, held by volunteer Linda Gerhart of Denver, Colorado...
Sen. Mark Udall thanks volunteers at a Democratic field office on November 3, 2014 in Aurora, Colorado. Udall is facing off against Republican...
Sen. Mark Udall thanks volunteers at a Democratic field office on November 3, 2014 in Aurora, Colorado. Udall is facing off against Republican...
Former president Bill Clinton shakes hands with US Senator Mark Udall, right with Colorado governor John Hickenlooper, left, after speaking to a...
Senator Mark Udall introduces former president Bill Clinton, right, as he takes center stage to speak to a packed audience during a get-out-the-vote...
Senator Mark Udall introduces former president Bill Clinton, right, as he takes center stage to speak to a packed audience during a get-out-the-vote...
Senator Mark Udall addresses a packed audience during a get-out-the-vote rally for himself, Colorado Governor John Hickenlooper and Andrew Romanoff,...
Former president Bill Clinton, second from right, waves with other politicians after speaking to a packed audience during a get-out-the-vote rally...
Former president Bill Clinton speaks to a packed audience during a get-out-the-vote rally for US Senator Mark Udall, Colorado Governor John...
Senator Mark Udall speaks to volunteers at a canvass kickoff campaigns in Denver, Colorado on October 25, 2014. Udall is seeking reelection as one of...
Senator Mark Udall speaks to volunteers at a canvass kickoff campaigns on October 25, 2014 in Thornton, Colorado. Udall is seeking reelection as one...
Senator Mark Udall shakes hands with volunteers at a canvass kickoff campaign on October 25, 2014 in Thornton, Colorado. Udall is seeking re-election...
Senator Mark Udall thanks a volunteer at a canvass kickoff campaigns on October 25, 2014 in Thornton, Colorado. Udall is seeking reelection as one of...