1.   Polls have shown the race to be tight down to the wire, with some showing the first lady leading and others showing the congressman ahead.

2.   A security videotape showed the congressman shoving Patton.

3.   A videotape of a confrontation between Rep. Patrick Kennedy and an airport security guard shows the congressman shoving the woman backward into the archway of a metal detector.

4.   Previous reports have shown the congressman steadily outraising the first lady.