After Steve Flatow's daughter was killed in a terrorist attack, he wanted justice. He embarked on a legal quest to get the right to sue a country: Iran. His case opened the doors to a new technique for deterring funding of terrorists, but it also interfered with the U.S. government's diplomatic efforts.
A previous version of the transcript included a typographical error. Iran did not make a down payment for weapons of about $400 billion. The down payment was about $400 million. The figure is correct in the audio.