It premiered on HBO in the United States on April 17, 2011, and concluded on May 19, 2019, with 73 episodes broadcast in excess of 8 seasons. Philip Zelikow (April 21, 2009). "The OLC "torture memos": feelings from a dissenter". Green, Erica L. Benner, Katie Pear, Robert (October 21, 2018). "'Transgender' Could Be Defined Out of Existence Under Trump Administration".