Republican presidential candidate, Sen. Ted Cruz, R-Texas, points as he speaks at a campaign stop at Waukesha County Exposition Center, Monday, April 4, 2016, in Waukesha, Wis. (AP Photo/Nam Y. Huh)
Republican presidential candidate, Sen. Ted Cruz, R-Texas, points as he speaks at a campaign stop at Waukesha County Exposition Center, Monday, April 4, 2016, in Waukesha, Wis. (AP Photo/Nam Y. Huh)
National Edition News cover for July 14, 2015 - Walker promises Reagan-era tax rates, entitlement reform: Wisconsin Gov. Scott Walker shakes hands after announcing that he is running for the 2016 Republican presidential nomination at the Waukesha County Expo Center, Monday, July 13, 2015, in Waukesha, Wis. (AP Photo/Nam Y. Huh)
Wisconsin Gov. Scott Walker addresses employees and members of the media at Valveworks USA prior to signing the state's 2015-2017 budget on the production floor of the Waukesha, Wis. company Sunday, July 12, 2015. (John Hart/Wisconsin State Journal via AP)