Biden attacks Romney tenure as venture capitalist

In Ohio, Biden targets Romney's work as venture capitalist, blames Republican for lost jobs

No sure thing for GOP: a tight battle for Senate

Surprise: Hardly a sure thing for the Republicans, Senate control has become competitive race

Romney keeps media at bay as he sticks to script

Romney careful to stick to campaign script, keeping reporters at arms' length

Romney inches closer to clinching GOP nomination

Romney adds delegates with win in Oregon primary, inching closer to clinching nomination

Don't bet on Mitt Romney winning in Massachusetts

Don't bet on Romney winning in Massachusetts, or even trying; eyes Michigan's electoral votes

Crossroads announcing $25 million ad push

GOP outside group announcing $25 million advertising blitz to criticize Obama, help Romney

SPIN METER: Rivals airbrush anti-Romney words

SPIN METER: GOP also-rans airbrush their anti-Romney scripts, make nice — more or less

THE RACE: Endorsements slow as Romney closes in

THE RACE: GOP endorsements slow to a trickle as Romney nears delegate target; some are tepid

NJ gov., mayor channel Seinfeld in video parody

NJ governor, Newark mayor channel Seinfeld-Newman rivalry in web parody of mayor's heroics

Obama raises $44M for campaign, Dems in April

Obama raises $44 million in April as GOP 'super' PAC unleashes new multistate ad campaign