The Republican National Committee welcomes back Danny Diaz as its new communications director, vice Lisa Miller, who left last week to join the private sector. Diaz formerly worked for Sen. John McCain's presidential bid and was director of regional press for the RNC during the 2006 cycle. He's also a vet of the Bush-Cheney campaign.

On the day of Ahmadinejad's visit, Mitt Romney unveiled an ad touting his refusal to provide state police escorts to a former Iranian president who wanted to speak at Harvard. His change message is also getting some traction.

The New York Times admits a politically inexcusable, factually inexplicable mistake about its MoveOn.org ad.

Sen. Evan Bayh endorses Hillary Clinton. The the tax-cutting former Indiana governor bought himself a ticket to the veeptstakes.

New York City's 9,000 corrections officers endorsed Barack Obama.

In Washington, D.C. John Edwards unveiled a policy to fight HIV/AIDS.

Chris Dodd was the first presidential candidate to respond to the United Auto Workers' decision to strike.

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