People have been pretty much writing off the Pennsylvania Senate race. But Joe Sestak’s been closing the margin a bit. And now PPP has a poll out showing Sestak ahead by one point. That comes after two Dem-sponsored polls from earlier this month with showed a tie or Sestak just ahead. Worth remembering that Sestak did manage a late charge that pushed him to a win against Arlen Specter in the primary. See all the results here.