Here:
Voters can fairly conclude that, with Wednesday’s Supreme Court verdict, Rauner defeated the long invincible alliance of public employee unions and Illinois Democrats. Voters may well give Rauner new respect as the Republican who dared to fight the twin Goliaths of Illinois politics and governance. He really did risk his political future when he picked this fight early in 2015. ... “Government union bargaining and government union political activity are inextricably linked,” he said one month after being sworn in early in 2015. “As a result, an employee who is forced to pay unfair share dues is being forced to fund political activity with which they disagree. That is a clear violation of First Amendment rights and something that, as governor, I am duty-bound to correct.”