Robert Gibbs: Romney Can't Criticize Obama's Tone When He's 'Auctioning Off Dinners for the Birther-in-Chief, Right-Wing Nutjob Donald Trump

Senior Obama campaign adviser Robert Gibbs said Mitt Romney has no room to criticize the president's tone on the campaign trail when Romney's auctioning off dinners with "birther-in-chief, right-wing nutjob Donald Trump" to his own supporters.

Gibbs, also the former White House press secretary, said he wasn't going to be "lectured by Mitt Romney" about the tone of the campaign. Romney last week said Obama's campaign was "all about division and attack and hatred."

"This [Romney] is a guy who's flown all over the country saying he’s not sure the president believes in America," Gibbs said on "Fox News Sunday." "[He's] auctioning off dinners for the birther-in-chief, right-wing nutjob Donald Trump who questions whether or not the president was born in the United States of America.”

Gibbs also said Vice President Joe Biden's now-famous "chains" remark last week was not a "racial comment" or "race-baiting."

Biden told a roughly half-black audience in Virginia on Tuesday that Romney would "let the big banks once again write their own rules – unchain Wall Street. They’re going to put y’all back in chains."

"No more race-baiting than when [Republican House Speaker] John Boehner says let's unshackle Wall Street, let's unshackle big business," Gibbs said. "I think the vice president was correct in exactly what happens when we unshackle Wall Street and let Wall Street go back to writing its own rules...that's what got us into this mess."

Gibbs insisted that Biden is "absolutely not" a drag on the presidential ticket, despite recent speculation that he could be dumped.

"I'm happy and proud of Joe Biden and I'm happy and proud to have him on the trail every day," Gibbs said.

Watch below, via Mediaite: