Turning to the general election, the likely Republican nominee paints a picture of the president as a shallow, power-hungry narcissist.
The GOP is falling in line behind the all-but-inevitable nominee, but they're doing it with gritted teeth and a sense of obligation.
A Supreme Court rejection of the president's signature domestic accomplishment would deal a severe, long-lasting blow to the progressive ideal.
The pointless, attention-grabbing throwdown -- like the one Rick Santorum issued to Mitt Romney -- is a common tactic of underdog campaigns.
Appearing on the late-night comedian's show for the first time this campaign, Romney demonstrated the mix of gravitas and relatability we demand from our leaders.
The former House speaker, a dead man walking in the Republican presidential primary, contemplates history and the moon in his campaign's twilight.
Everyone is telling the Republican presidential candidate the race is over and he can't win. But he's not going anywhere anytime soon.
Santorum's liabilities, and the availability of better options, meant he was never in the veepstakes running. Has that made the race longer and nastier?
On a day when the Republican nominee-in-waiting should have been doing a victory lap, things didn't quite go as planned.
A convincing win for the GOP front-runner could mean the end is finally at hand in the long primary race.
Even if Romney scores a landslide victory, his opponents will likely fight for the nomination as long as anyone is willing to vote for them.
The total ineptness of his ragtag, seat-of-the-pants campaign is killing his momentum -- and making Mitt Romney look better by comparison.
He may still be slogging it out in the Republican primary, but he used a speech in Chicago to try to shape his general-election message.
Liberated from the fiction of actually trying to become president, Gingrich has become his truest self -- a gleeful saboteur.
The Republican presidential candidate is winning in the ugliest way imaginable. Is it all his fault, or has his team made a series of avoidable mistakes?
As the Romney train rolls on, voters in Tuesday night's Alabama and Mississippi primaries signal they're not ready to get on board.
It's official: The GOP candidates are done debating each other. The last planned debate, like the one before it, will likely be canceled.
Polls show a three-way tie going into today's Deep South primaries. The results could be revealing, but the delegate calculus won't change.
With a Romney nomination quickly becoming a mathematical certainty, the wise men of the Republican Party still aren't calling on his rivals to get out of the way.
Unlike most politicians' attempts to be funny, Romney's sense of humor is dark, dry, self-deprecating and a little subversive. Maybe that's why he never gets credit for it.