Hina Shamsi, director of the ACLU's National Security Project, argues against the motion, "The president has constitutional power to target and kill U.S. citizens abroad." Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

Iraqi Shiite mourners carry the coffin of a soldier killed in clashes with anti-government fighters in Fallujah earlier this month. The government faces a months-long crisis in Anbar province, where it has lost the city of Fallujah as well as shifting parts of provincial capital Ramadi to anti-government militants. AFP/AFP/Getty Images hide caption

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Andy Soule, a U.S. Army veteran, lost both his legs to a bomb in Afghanistan in 2005. Four years ago, he won America's first medal — Olympic or Paralympic — in the biathlon event. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Former Marine Josh Sweeney lost both of his legs to a bomb in Afghanistan in 2009. He's competing with the U.S. Men's Sled Hockey team at the Paralympics in Sochi. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR