Romney(who I personally like and is my 2nd choice) is fuzzy on some issues(well what Governors aren't?) and simply said is from MA. Why would the GOP shift north if they're more sucessful in the south?
On the contrary, I think we need a northern candidate so that we don't get typed as a southern party. Everyone knows that the Democrats aren't a national party. What has yet to be seen is, are the Republicans?
You hit the nail on the head Super! Lets face it the last time a Democrat won an election "both" candidates hailed from the South. Therefore, one could make the argument that a Romney/Santorum ticket would threaten ME, NH, PA, and give us an outside shot at NJ.