If you thought the Minnesota Senate race was already a circus, then take heart -- it might be getting a third ring next week.In an interview on National Public Radio, former Gov. Jesse Ventura hinted strongly that he was considering running as an independent against Sen. Norm Coleman and Al Franken.At one point in the interview, Ventura said, "I run because it angers me ... All you Minnesotans take a good hard look at all three of us. And you decide: If you were in a dark alley, which one of the three of us would you want with you?"As ...