didn't look like anyone was living there, and then he had a residency problem very similar to the walgren problem which the casey campaign used very effectively. and the second problem was his kids were going to a pennsylvania cyberschool collecting tuition as though they were pennsylvania residents for that, and that also became part of the controversy. so in conclusion, he ran into, you know, about four of these areas that i just articulated that simply were overwhelming, and by his loss by 18 percentage points by bob casey, that was the single biggest loss by any incumbent in the history of the state since the civil war. >> so as you look at what happened in 2006 and what the romney campaign has been saying thus far and likely will say moving into michigan, what political ammunition do his opponents have in 2012? >> well, i think -- first of all, they can hope that one of the things that santorum has done, look, he's a very bright guy, he's articulate, he's savvy, he's -- understands politics. he's ambitious, he's aggressive. he's done extraordinarily well in these debates which indepe