Numerically it may not officially be over... but with his sweep of Wisconsin, Maryland and Washington, D.C., Mitt Romney is on a trajectory to the nomination.
WASHINGTON -- The "worst Republican in the country to put up against Barack Obama," at least as far as Rick Santorum is concerned, took another few st...
For weeks, Hillary Clinton's campaign has argued that it would be irresponsible--reckless, even--for Democrats to nominate Barack Obama because he ha...
Obama Wins Wisconsin, Clinton "Fading": "Barack Obama cruised past a fading Hillary Rodham Clinton in the Wisconsin primary Tuesday night, gaining the...
Moments after Sen. Barack Obama concluded his victory speech in Houston, Texas, his campaign received a call from Sen. Hillary Clinton congratulating ...
Sen. Barack Obama continued his strong showing in the Wisconsin primary on Tuesday among voter demographics considered to be Sen. Hillary Clinton's st...
Sen. Barack Obama introduced a seemingly new line in his campaign speech on Tuesday, an acknowledgment of sorts of recent criticism that his supporter...
Last updated at 8:52pm ET
More Exit Polls: "Exit polls of Wisconsin Democratic voters show Barack Obama continues to run strong with the white, femal...