After Cory Booker went out and undermined some of the recent attack ads by the Obama campaign during his appearance on Meet the Press this weekend, and President Obama's defense of those attacks, telling reporters that the issue is not a distraction but instead critical to evaluating Mitt Romney's qualifications to be president, Paul Krugman agreed during his appearance on Current TV's The War Room with Jennifer Granholm.

Krugman: Romney ‘really does not understand the economy at all’ :

Nobel Prize-winning economist and New York Times columnist Paul Krugman joins Jennifer Granholm in The War Room to discuss candidate Mitt Romney. Krugman says, in spite of his protestations, Romney’s business career is fair game. “Yes, he made a lot of money. He made a lot of money in ways that were often not good for workers.” Krugman points out that what made Romney an effective businessman may be the opposite of what’s needed from the leader of a country: “What a President needs to do is not what you need to do if you’re trying to make a bunch of money for private equity for investors.”

Krugman also pointed out the need for more stimulus spending right now to get the economy out of this depression we've been in: