U.S. President Barack Obama answers questions during a joint news conference with Argentine President Mauricio Macri at the Casa Rosada Presidential Palace in Buenos Aires, Argentina, Wednesday, March 23, 2016. Obama is on a two day official visit to Argentina. (AP Photo/Victor R. Caivano)

Republicans worry Obama is opening door to new Iran relief

Rep. Ed Royce, the House Foreign Affairs Committee chairman, expressed alarm in a letter this week to the president that the U.S. could grant Iranian businesses the ability to conduct transactions in dollars within the United States or through offshore banks.