On the day Joe Knilans stood to address his Republican colleagues in a closed-door meeting, he was celebrating his sixty-day anniversary as a Wisconsin assemblyman. It was March 10, the day the assembly was set to take its final vote on Gov. Scott Walker’s controversial bill to limit collective bargaining for public employees in Wisconsin. But as the words fell out of Knilans’ mouth, it was clear he was not up for celebrating. “I just want to say that taking this vote today will probably cost me my job,” he began. “But that’s why I came to Madison — to...