Fmr. Gov. Scott Walker's advice to GOP presidential hopefuls

<p>He's a former two-term Wisconsin governor, survived a recall effort, ran for president in 2016, and — in a new Wall Street Journal op-ed — is telling today's Republican primary candidates how to learn from his mistakes as they seek the presidency. Former Gov. Scott Walker (R-Wis.) joins Chuck to detail the state of the race and deliver his read on the pulse of the GOP electorate.</p>