The Lib Media does have him backtracking, explaining, apologizing, and revising.
The Lib Media won.
Pence folded, but what else would we expect from a Republican? Republicans are just horrible at the game of politics.
Walker doesn't - he may retreat to regroup when there is no way to win at the moment (doesn't poison the well while waiting for a more opportune time); he knows when we have the advantage and then is unmovable in his resolve.