One of the most prolific and admired directors in TV history — the go-to guy for sitcom pilots — reflects on how Mary Tyler Moore helped him break into the biz, the 15 years he split between 'Taxi' and 'Cheers' (he co-created the latter) and being at the center of NBC's 'Must See TV' era with 'Frasier,' 'Friends' and 'Will & Grace.'

But first: Natalie Jarvey, THR's digital media editor, joins Scott to discuss her recent profile of Vice Media and its new CEO Nancy Dubuc, who ran A&E Networks until Shane Smith hired her to right the ship of his $5.7 billion youth-centric media company.