“Hacks” explores a difficult mentorship between Deborah Vance (Jean Smart), an old-school Las Vegas comedian whose material is a bit passé, and the entitled, but ambitious 25-yea 　　“Hacks” explores a difficult mentorship between Deborah Vance (Jean Smart), an old-school Las Vegas comedian whose material is a bit passé, and the entitled, but ambitious 25-year-old writer (Hannah Einbinder) she hires to make her act more relevant. 详情