New poll shows 4-point race in Pennsylvania; Obama campaign getting nervous?

A week ago, some political pundits seemed to suggest that GOP presidential nominee Mitt Romney should write off Pennsylvania:

https://twitter.com/mckaycoppins/status/255693175866396672

Today, however, a new Quinnipiac University Poll shows Romney only four points behind President Barack Obama in the Keystone state. Sounds pretty close to us.