GOP Senatorial candidate, Jane Norton hugs supporters after giving her concession speech on Tuesday Aug. 10, 2010 at the Marriott in Highlands Ranch, Colo. Buck, the Weld District Attorney, defeated former Colorado Lieutenant Governor Jane Norton for the nomination. (AP Photo/MATT MCCLAIN, The Denver Post)
Arizona Sen. John McCain lends support Sunday in Centennial, Colo., to a fellow Republican, former Colorado Lt. Gov. Jane Norton, in her bid for the party's senatorial nomination in Tuesday's primary.
Ken Buck, Weld County district attorney in Colorado, leads Jane Norton in the state's Republican primary race for a U.S. Senate seat by double digits, according to two recent surveys. (Associated Press)