Columnist Salena Zito on Barack Obama's fading popularity in Pennsylvania:

Six weeks ago, Obama visited Pittsburgh. The union crowd was thin. Enthusiasm was nonexistent; so were local elected Democrats, who opted to shake his hand at the airport rather than stand on stage with him while he talked about jobs. Last week he went to Scranton, home to Vice President Joe Biden and U.S. Sen. Bob Casey. A no-show in Pittsburgh, Casey again declined to appear with the president.

Bitter Residue Remains in Pennsylvania