Via Jonathan Martin, I see this AP story:
OKLAHOMA CITY (AP) — Democratic Rep. Dan Boren of Oklahoma said Tuesday Barack Obama is “the most liberal senator” in Congress and he has no intention of endorsing him for the White House.
However, Boren will vote for Obama at the Democratic National Convention in Denver in August and will vote Democratic on Nov. 4.
“I think this is an important time for our country,” Boren said in a telephone interview. “We’re facing a terrible economic downturn. We have high gasoline prices. We have problems in our foreign policy. That’s why I think it’s important.”
Boren, the lone Democrat in Oklahoma’s congressional delegate, said that while Obama has talked about working with Republicans, “unfortunately, his record does not reflect working in a bipartisan fashion.”
As Martin notes, aside from putting every other Blue Dog Democrat in the hot seat, this provides McCain with a pretty devastating talking point:
“Even some Democratic congressmen…” will surely go the refrain when making the case about Obama’s purported liberalism.