You know we love stuff from Pitt's Chris Briem.

Here's his latest, on statewide voter registration increases by county. It shows the largest percentage increases in the last month before the election, 2010 vs. 2009. For the sake of argument, if one assumes the PSU students in Centre County are voting with Joe Biden, that means 3 of the top 5 counties (with Dem giants Philadelphia and Pittsburgh/AC) trend Democratic: