Click here to watch "Afford."

Former Gov. Jeanne Shaheen (D) and incumbent John Sununu (R) made their rematch for the New Hampshire Senate seat official over the last week. Sununu stressed in comments to reporters on Tuesday that he has broken from the Bush administration on several important issues and become an "independent voice" in the Senate. But Shaheen has gone on the offensive, launching the second TV ad of the race on the same day Sununu officially announced his re-election bid, seeking to tie him to Bush on everything from Iraq to the economy.

In "Afford" (subscription), Shaheen implies that Sununu is doing the bidding of special interests in Washington and claims that she will stand up for "New Hampshire families who are struggling."

The spot shows Shaheen speaking with voters at a gas station. "The price of fuel, it's just impacted everything," one man laments, and Shaheen says, "I think we need a senator in New Hampshire who's going to represent families in New Hampshire and not the oil companies." An announcer describes her plan to "crack down" on price gouging and end tax breaks for "big oil," while emphasizing that Shaheen "doesn't take money from oil company PACs."

Shaheen lost to Sununu by just 20,000 votes in 2002; this year, Democrats consider him to be one of the most vulnerable GOP senators up for re-election, and recent polls show him trailing.