A Sarasota man was arrested on an aggravated assault charge Wednesday after he was accused of trying to run down U.S. Rep. Katherine Harris and a group of supporters with his car. A silver Cadillac sped toward the group at a Sarasota intersection Tuesday evening, then swerved at the last minute before driving off, according to police. Witnesses gave the car's license plate number to police, and they tracked it to Barry M. Seltzer, 46. He came to the police station Wednesday and complained to officers that Harris' supporters had impeded traffic. "I intimidated them with my car," Seltzer told...