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.

Jeff Flake: Vote for me, though I would prefer you not be able to.

New campaign, same old tricks.

President Obama urged members of Congress Monday to pass a farm bill intended to relieve farmers struggling in the midst of a debilitating drought. He also signed off on $170 million in drought aid.

That might all be a product of Obama’s guilty conscience, suggested an aide to House Speaker John Boehner, who wrote on the official speaker’s website Monday that not only should Obama do more — he should take personal responsibility for the natural disaster: “The president continues to blame anyone and everyone for the drought but himself.”

Following a round of Internet mockery: The post now includes changed language, and an update.