Wisconsin Gov. Scott Walker dropped out of the presidential race on Monday, September 21. He was seeking the Republican Party's nomination.
Walker fields questions from Bruce Rastetter at the Iowa Agriculture Summit on March 7, 2015 in Des Moines, Iowa.
Walker speaks at the annual Conservative Political Action Conference at National Harbor, Maryland, outside Washington, D.C. on February 26, 2015.
Walker speaks to guests at the Iowa Freedom Summit on January 24, 2015, in Des Moines, Iowa.
Walker speaks at his election night party November 4, 2014, in West Allis, Wisconsin. Walker defeated the Democratic challenger Mary Burke.
Walker shakes hands with Democrat challenger Mary Burke before facing off in a debate at the WMVS-TV studios October, 17, 2014, in Milwaukee, Wisconsin.
Walker has a scarf put on his head during a special service at the Sikh Religious Society of Wisconsin for the victims of the shooting at the Sikh Temple of Wisconsin the previous day, on August 6, 2012, in Brookfield, Wisconsin.