FILE PHOTO: U.S. President Jimmy Carter announces new sanctions against Iran in retaliation for taking U.S. hostages, at the White House, Washington, D.C., U.S., April 7, 1980. Library of Congress/Marion S. Trikosko/Handout via REUTERS
FILE PHOTO: U.S. President Jimmy Carter announces new sanctions against Iran in retaliation for taking U.S. hostages, at the White House, Washington, D.C., U.S., April 7, 1980. Library of Congress/Marion S. Trikosko/Handout via REUTERS