Yesterday, Arizona Gov. Jan Brewer issued an executive order saying her state would not abide the Obama administration’s new efforts to bring undocumented immigrants out of the shadows. Classic Brewer, it sounded pretty tough. But it’s little more than hot air.

Negative $716 billion in Medicare from President Obama’s plan, plus $716 billion Mitt Romney has promised to restore … equals zero answers so far from the Romney-Ryan ticket on budget specifics.

A new set of swing state polls shows Paul Ryan giving Mitt Romney a boost.

Ayn Rand devotees aren’t wholeheartedly celebrating Paul Ryan, though he has said the novelist “triggered my interest in economics.”

Why the tepid embrace? Ryan presents a double-edged sword: He’ll help draw attention to Rand’s views, but his disavowal of her social libertarian streak means that if elected, Ryan won’t “embody all parts of Ayn Rand’s vision.”

Mitt Romney’s act of high dudgeon may have hit a new gear yesterday, but the tactic itself is old hat for his campaign. Evan McMorris-Santoro explains.

A judge won’t stop Pennsylvania’s controversial voter ID law.

Things get bitter.

Paul Ryan enters the race and our PollTracker Editor Kyle Leighton looks at his impact.

A new poll puts President Obama up 3 in Ohio — up 10 with independents.

The Romney campaign’s attempt to zoom past the fact that Paul Ryan called for the same $700 billion worth of Medicare cuts that President Obama made a part of the Affordable Care Act is clearly a work in progress. Witness John Sununu this morning.