Mitt Romney has had enough. Fed up with President Obama's attacks on his business record, he is -- or at least his surrogates are -- going to drop the Mr. Nice Guy act and start calling his opponent a liar, BuzzFeed's McKay Coppins reports. Romney's campaign had already gone there -- an email Saturday from spokeswoman Andrea Saul was headlined "Obama's Desperate Lies," for example -- but to turn the L-word, usually avoided in politics, into a surrogate talking point represents a new front.

To the many Republicans thirsty for blood and concerned that Romney's campaign has been too passive, this will surely be welcome news. But it's rather ironic that Team Romney appears to have been baited into an emotional reaction after months of trying, unsuccessfully, to bait the Obama campaign....