Prometheus 6

Bring it on, McCain.

The senator from Arizona also quickly assembled a response ad, in which a narrator intones, "Barack Obama knows a lot about housing problems." The spot raises Obama's relationship with Rezko, saying that "one of Obama's biggest fundraisers helped him buy his million-dollar mansion," and charges that in return "Rezko got political favors."

By the day's end, the Democratic National Committee was threatening to escalate the fight further by highlighting McCain's connections to the "Keating Five" savings and loan scandal, in which the senator ended up before the Senate ethics committee.

"They go Rezko, we go Keating," said a Democratic strategist, speaking on the condition of anonymity to divulge potential campaign strategy. "If they want to escalate, bring it on."...

Obama campaign aides and Democratic National Committee researchers had been sitting on film clips, tax records, photos and other information on McCain's real estate holdings for weeks. The now-defunct Progressive Media USA, a liberal activist group, had done polling on the potential line of attack and concluded that it alone would have little impact against McCain, whose "brand" as a maverick Republican has proved difficult to crack.

But Obama aides were collecting documentation of separate incidents they wanted to string together as a narrative: McCain economic adviser Phil Gramm's comment to the Washington Times that the United States was "a nation of whiners" stuck in a "mental recession" and overstating the current economic woes; a McCain assertion that the economy is fundamentally strong; and the Arizonan's comment Saturday at the Saddleback Civil Forum in California defining the threshold for being rich as an income of $5 million a year.

When McCain made his comment to Politico, Obama communications director Dan Pfeiffer flashed the green light.