Gary Johnson speaks during the Libertarian Party presidential candidate debate in Orlando, Fla., on Feb. 11, 2012.
Gary Johnson speaks during the Libertarian Party presidential candidate debate in Orlando, Fla., on Feb. 11, 2012. MCT/Orlando Sentinel
Gary Johnson speaks during the Libertarian Party presidential candidate debate in Orlando, Fla., on Feb. 11, 2012. MCT/Orlando Sentinel

In tight presidential race, third party candidates could play spoilers

September 10, 2012 7:29 AM