Bob Gates, former. U.S. Defense Secretary, joins Christiane Amanpour in London to discuss the killing of Jamal Khashoggi, American-Saudi relations and his time in the Bush and Obama administrations. James and Suzy Cameron talk about their efforts to fight climate change. Then, our Alicia Menendez speaks to comedian Phoebe Robinson about her new book "Everything's Trash, But It's Okay". via Knit