Support WBUR5 Things You Should Know About Scott WalkerDon GonyeaJessica TaylorJuly 12, 2015 ShareWisconsin Gov. Scott Walker's rise as a national political star has been swift. He was elected statewide three times in four years. (Getty Images)
Wisconsin Gov. Scott Walker's rise as a national political star has been swift. He was elected statewide three times in four years. (Getty Images)