From NBC's Mark Murray
The McCain camp is going up with a new TV ad touting Palin's credentials and attacking Obama's.
The campaign says the ad will air in "key states" (read: there probably isn't much money behind the ad).
ANNCR: The Journal says: "Governor Palin's credentials as an agent of reform exceed Barack Obama's."
She "has a record of bi-partisan reform."
He's the Senate's "most liberal."
She "took on the oil producers."
He gave big oil billions in subsidies and giveaways.
She's "earned a reputation as a reformer."
His reputation? Empty words.
JOHN MCCAIN: I'm John McCain and I approved this message.
It's important to note that there are a few misleading assertions in the ad. For one, the "Journal" that's cited is the conservative and partisan Wall Street Journal editorial page. Two, to call Obama the Senate's most liberal senator is dubious. (The charge comes from the National Journal ranking Obama as having the most liberal Senate voting record of 2007, but he was nowhere near the top in 2005 and 2006; it's also worth noting that Obama missed many Senate votes in 2007, so that ranking is a bit skewed.) And three, the charge that Obama "gave big oil billions in subsidies and giveaways" is misleading. (According to nonpartisan fact-checkers, the 2005 energy bill the McCain camp is referring to actual resulted in a net tax INCREASE on oil companies.)