Article Photos: Impact of Romney, Obama tax ideas tough to figure



Vice President Joe Biden speaks to Sen. Herb Kohl, D-Wis. during a campaign stop at the University of Wisconsin La Crosse in La Crosse, Wis., Friday, Oct. 12, 2012. (AP Photo/Tom Lynn)

Vice President Joe Biden speaks to Sen. Herb Kohl, D-Wis. during a campaign stop at the University of Wisconsin La Crosse in La Crosse, Wis., Friday, Oct. 12, 2012. (AP Photo/Tom Lynn)