A new Obama ad questioning McCain and Palin's record of reform states that Sarah Palin was for the bridge to nowhere before she was against it. The 2004 George Bush ad "Troops" (below) used footage of John Kerry saying "I actually did vote for the $87 billion before I voted against it" as part of their effort to define him as a flip-flopper.

The invaluable watchdog Website FactCheck.org finds inaccuracies in "Alaska Maverick," the recent McCain ad comparing Sarah Palin to Barack Obama. Read FactCheck's analysis here.

This ad, made for the advocacy group Our Hispanic Voices, is a response to the attack on "community organizers" by Sarah Palin and Rudy Giuliani at the Republican convention.

This video piece, created by the Museum and SlateV during the primary season, predicted some of the attack lines now on display during the general election contest between John McCain and Barack Obama.

This McCain ad is unusual in that it contrasts the qualifications of his vice-presidential candidate with those of the opposing presidential candidate.

In this "Damned Spot" piece, Slate political correspondent John Dickerson looks at some of the recent Obama and McCain ads.

In this particularly post-modern ad parody, celebrity Paris Hilton responds to a John McCain attack ad that implied that Britney Spears, Paris Hilton, and Barack Obama were all celebrities with nothing of substance to offer. Ironically, she offers a more detailed policy position than we are likely to see in any campaign ad from McCain or Obama.