To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Share Embed Share URL Video File Node URL Embed Code <iframe title="MRC TV video player" width="640" height="360" src="https://www.mrctv.org/embed/108724" allowfullscreen></iframe> On Morning Joe, Politico's Mike Allen predicts that if Mitt Romney wins the Republican presidential nomination he will choose Ohio Senator Rob Portman as his vice-presidential running mate. Mark Halperin strongly seconds Allen's assertion.