Colorado Republican Congressman Cory Gardner officially announces his candidacy for the U.S. Senate at Denver Lumber Company on Saturday, March 1, 2014, in Denver. Gardner will run against Democratic ... more 
Colorado Republican Congressman Cory Gardner officially announces his candidacy for the U.S. Senate at Denver Lumber Company on Saturday, March 1, 2014, in Denver. Gardner will run against Democratic Sen. Mark Udall. (AP Photo/Chris Schneider) less 
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Associated Press | Photo By Chris Schneider
Sat, Mar 1, 2014 3:09 PM EST