Former Georgia Rep. Cynthia McKinney was nominated Saturday as the Green Party's presidential candidate.

McKinney, who was ousted from office in 2006 after a headline-grabbing scuffle with a Capitol Hill police officer, received 313 votes of a possible 532 at the Green Party's national convention in Chicago.

Consumer advocate and perennial candidate Ralph Nader, who is already running as an independent candidate, came in second with 78.5 votes.

McKinney announced she would seek the presidency as a Green Party candidate late last year. She criticized the Iraq war and said both Democrats and Republicans are beholden to corrupt corporate interests.

McKinney, who was a Democrat, served six terms in Washington representing a suburban Atlanta district but was defeated in 2006 by DeKalb County Commissioner Hank Johnson. She had been the first black woman elected to Congress from Georgia.

One of her final acts in Congress was to introduce a bill to impeach President Bush, saying he misled Congress into approving the war in Iraq and violated the law by secretly spying on citizens. She once claimed that Bush had advance warning of the terrorist attacks of Sept. 11, 2001.

The Associated Press contributed to this report.