Zac Posen on longevity, ‘Project Runway,’ & style bloggers

CFDA-winning fashion designer Zac Posen gives Larry a fashion education, discussing his evolution in the industry, the designer he’d most like to trade places with, and why he says he’s the toughest ‘Project Runway’ judge. Plus, Zac on why we seldom see one-time muse Natalie Portman in his designs anymore.