
Clad in leather and flanked by fans of Harley-Davidson motorcycles, Wisconsin Gov. Scott Walker helps foster the love for the Milwaukee-based classic in China.

Clad in leather and flanked by fans of Harley-Davidson motorcycles, Wisconsin Gov. Scott Walker helps foster the love for the Milwaukee-based classic in China.

FILE - In this March 20, 2013 file photo, New York Gov. Andrew Cuomo speaks at the Capitol in Albany, N.Y. Cuomo and former New York Senator and former Secretary of State Hillary Rodham Clinton are among a group of potential 2016 presidential candidates hailing from the same states, including: Wisconsin Gov. Scott Walker and Rep. Paul Ryan, R-Wis., former Florida Gov. Jeb Bush and Sen. Marco Rubio, R- Fla., and perhaps Texas Gov. Rick Perry and freshman Sen. Ted Cruz, R-Texas. (AP Photo/Mike Groll, File)

Wisconsin Gov. Scott Walker speaks at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Saturday, March 16, 2013. (AP Photo/Carolyn Kaster)

Wisconsin Gov. Scott Walker speaks at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Saturday, March 16, 2013. (AP Photo/Carolyn Kaster)

Wisconsin Gov. Scott Walker speaks at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Saturday, March 16, 2013. (AP Photo/Carolyn Kaster)

Wisconsin Gov. Scott Walker speaks at the 40th annual Conservative Political Action Conference in National Harbor, Md., on Saturday, March 16, 2013. (AP Photo/Carolyn Kaster)

Wisconsin Gov. Scott Walker recounted his fight to stay in office after a recall challenge sparked by his battle with public employee unions. (Associated Press)

** FILE ** Wisconsin Gov. Scott Walker, delivers a State of the State address in Madison. (Associated Press)