Former U.S. attorney Preet Bharara successfully prosecuted several high-profile cases during his time with the Southern District of New York. The list includes Osama bin Laden's son-in-law, attempted Times Square bomber Faisal Shahzad, and notorious Russian arms dealer Viktor Bout. Bharara was fired by President Trump after he refused to resign as U.S. attorney. Bharara joins “CBS This Morning” to discuss his new book, "Doing Justice: A Prosecutor's Thoughts on Crime, Punishment and the Rule of Law." It draws on his decades of legal experience to shed light on how the country's justice system works.