WASHINGTON — Rep. Cynthia McKinney on Friday declared herself the victim of a racist Capitol Hill police officer who her supporters said used excessive force when he stopped her from skirting a security checkpoint earlier this week. "The whole incident was instigated by the inappropriate touching and stopping of me — a female, black congresswoman," McKinney said at a news conference, abandoning the apologetic tone she struck earlier in the week. Capitol police are considering filing assault charges against the DeKalb County Democrat next week. But her lawyers said she was acting in self-defense when she struck the officer who...