Keith Bush, who was jailed for 33 years for a crime he didn't commit, joins Christiane Amanpour to discuss his exoneration. Nina Morrison, senior litigation counsel at the Innocence Project, weighs in on Bush's case and the problems with the American judicial system. Sergio Jaramillo, a former lead peace negotiator, talks about the fragility of Colombia's peace deal with FARC rebels. Our Alicia Menendez Sits down with Yousef Bashir, Palestinian-American author, to reflect on Bashir's life growing up in war torn Gaza and his new book "The Words of My Father".To learn more about how CNN protects listener privacy, visit cnn.com/privacy