amy: the trump administration has tapppped elliot abrams, a right-wing hawk implicated in in lying to congress to be venezuela, just days after the start of the u.s.-backed attempt to oust venezuelan president nicolas maduro. we will speak to democrat congress member ro khanna, one of a handful of u.s. lawmakers to speak out about u.s.-imposed regime change in venezuela. then we look at a stunning new documentary about the man whwho mentored donald trump and roger stone, the infamous attorney roy cohn. >> they swallowed roy cohn in a certain way and absorbebed all f his incredible abilities at practicing the dark arts of manipulation of politics and media and understanding the nexus between politics and media and how to operate those lovers for dark and selfish purposes. "where's my roy cohn?" premiered here at sundance just hours after one of the key figures in the film, roger stone, was arrested for lying to congress about his interactions with wikileaks during the 2016 campaign. we will hear roger stone himself talk autut thempacact of roy cohn. it is t rules oar, you not fight on