TRENDING: Super PAC uses Olympic ‘opening ceremony’ to hit Romney in ad
Chicago, DNC plan coordinated national pushback on 'You didn't build that'
Obama gets personal on Planned Parenthood
SPIN METER: Obama's 'You didn't build that' echoes
NBC/WSJ poll: Negative campaign takes toll on candidates; Obama up six points
Polls: Romney gaining in Michigan
Who's up for a new NBC/WSJ poll based on a bad sample?