Obama's up with a new ad, airing at least in the Northern Virginia market, responding to the GOP attack on Joe Biden's suggestion that hostile nations would test the new, young president and generate a crisis.
"An economic meltdown. Two wars. And John McCain's playing with audiotapes, selectively editing Joe Biden's words," says the narrator. "The next president will be tested. But here's what Biden actually said about Barack Obama:"
The Biden clip of choice: "'They're going to find this guy's got steel in his spine."