Derek Hough: 'DWTS' Partner Amy Purdy Is An 'Amazing Woman'

Derek Hough: 'DWTS' Partner Amy Purdy Is An 'Amazing Woman'

Derek Hough chats with Access’ Shaun Robinson about teaming up with double amputee Amy Purdy for Season 18 of “Dancing with the Stars.” With her competing at the Paralympics, how much time will they have to rehearse before their debut? Plus, what does he think about the new “switch up”?