Sen. Mark Udall, D-Colo., center, flanked by Sen. Lisa Murkowski, R-Alaska, and Rep. Heath Shuler, D-N.C., gestures during a news conference on Capitol Hill in Washington, Tuesday, Jan. 25, 2011, to discuss Democrats and Republicans sitting together during President Barack Obama's State of the Union speech. (AP Photo/Charles Dharapak)
Born in Tucson: July 18, 1950
Why he's famous: Politics
Notable accomplishment: Udall was a member of the U.S. House of Representatives from Colorado from 1999 to 2009 and a U.S. senator from Colorado from 2009 to 2015.
