GOP Senators Using 'Opposition Research' To Fend Off Tea Party ChallengersRepublican senators are attacking GOP challengers earlier and more aggressively than in past elections, including using opposition research to try to knock out upstart rivals before they become serious threats.
Republicans Worried Romney Can't Generate Intensity To Beat ObamaIf Mitt Romney wins the Republican nomination for president, he'll face the urgent task of inspiring the party's conservative core and rallying them to beat President Barack Obama.