The MSNBC Morning Joe panel is joined by The Weekly Standard’s John McCormack, who discusses with Mike Barnicle the field of Republican candidates for President.
Mike asks McCormack: “Which of the candidates—Senator Marco Rubio (R-FL), Governor Scott Walker, and Senator Ted Cruz (R-TX)—has been hurt the most by the ( Presidential candidate Donald) Trump implosion-explosion this summer?” Watch the conversation here and listen to McCormack’s response on why he thinks Gov. Walker’s campaign has suffered the most.