Is the Keystone State set to be the shocker on Election Night?
Most election years have at least one "shocker" in which the voters do what is genuinely (or at least generally) unexpected. The potential for a "shocker" is certainly brewing in the Pennsylvania U.S. Senate race, where challenger Tom Smith (R) looks to be a real contender to dislodge Sen. Bob Casey (D).
Some typical hallmarks of a "shocker" are present in this race:
