Kristol: Romney 'crazy' not to release tax returns

Bill Kristol and the Obama campaign agree on something: Mitt Romney should immediately release his tax returns.

"He should release the tax returns tomorrow. It's crazy," Kristol said on "Fox News Sunday." "You gotta release six, eight, 10 years of back tax returns. Take the hit for a day or two."

The conservative commentator said the presumptive Republican presidential nominee then should give a speech on Thursday calling for a "serious" debate with President Barack Obama on capitalism, allowing the campaign to turn the page and put the focus back on the president's record.

Romney has only released his 2010 tax returns and estimated returns for last year, but he has refused to release additional documents even though it's been common practice for candidates to do so, prompting scathing criticism from the Obama campaign.