FILE - In this Jan. 17, 2016 file photo, President Barack Obama speaks about the release of Americans by Iran, in the Cabinet Room of the White House in Washington. A $400 million cash delivery to ... more 
FILE - In this Jan. 17, 2016 file photo, President Barack Obama speaks about the release of Americans by Iran, in the Cabinet Room of the White House in Washington. A $400 million cash delivery to Iran to repay a decades-old arbitration claim may be unprecedented in recent U.S. history, according to legal experts and diplomatic historians, raising further questions about a payment timed to help free four American prisoners in Iran. (AP Photo/Jacquelyn Martin, File) less 
1 / 30
Associated Press | Photo By Jacquelyn Martin, File
Sat, Aug 27, 2016 8:48 AM EDT