Here's the link. He'll be running against (as the Carpetbagger calls him) Robert Man on Dog Santorum.

When Santorum first ran for Congress in 1990, he made a huge issue out of his opponent's home in suburban DC. As Roll Call reported at the time: A Republican challenger, Rick Santorum, is claiming home is not where Rep. Doug Walgren's (D-Pa) heart is.... Santorum's spot is the essence of simplicity. Strange music plays while a picture of an attractive white house is shown. The announcer says, "There's something strange about this house." The reason is because Walgren lives in McLean, which is "the wealthiest area of Virginia" rather than his suburban district.

It was an effective attack, Walgren was seen as out of touch, and Santorum's career in Congress was on its way. The funny thing, though, is that Santorum is now vulnerable to the same charge...read on