Ohio Gov. John Kasich will roll out “responsible” tax plans that protect against revenue gaps. Wisconsin Gov. Scott Walker and Arizona’s new Republican governor are delaying big dreams of nixing the income tax as they face budget shortfalls. And Missouri Republicans, once jealous of their neighbor Kansas’ massive cuts, are thankful they trimmed less. Call it the Brownback effect. Story Continued Below . . Republicans once idolized Kansas Gov. Sam Brownback as a tax cutting superstar — now he’s a lesson in what not to do. “It’s a cautionary tale on a national scale … Many of us felt that...