The Rachel Maddow Show 07/13/15

GOP debate dynamics a chance for Walker to shine or be overshadowed

Kasie Hunt, MSNBC political correspondent, talks with Rachel Maddow about how the addition of Scott Walker affects the Republican 2016 field, and how the winners of the fight for a spot in the Fox News debate will try to outshine each other. ... more Duration: {{video.duration.momentjs}}