Wisconsin's Democratic candidate U.S. Senator Russ Feingold, left, and Republican challenger Ron Johnson, right, speak during a senate debate held at Marquette University Law School, Friday, Oct. 22, ... more 
Wisconsin's Democratic candidate U.S. Senator Russ Feingold, left, and Republican challenger Ron Johnson, right, speak during a senate debate held at Marquette University Law School, Friday, Oct. 22, 2010, in Milwaukee. less 
1 / 1
Associated Press | Photo By Jeffrey Phelps
Fri, Oct 22, 2010 10:39 PM EDT