Seems like it's almost too late to be entering but he could be a spoiler.
Joe Manchin suggests Mitt Romney, Rob Portman as potential running mates as he flirts with third-party ticket
Sen. Joe Manchin, D-W.Va., considers Sen. Mitt Romney, R-Utah, or former Sen. Rob Portman, R-Ohio, as potential running mates for a hypothetical third-party presidential bid.
www.foxnews.com