FILE -- In this March 11, 2014 file photo, Rep. Ed Royce, R-Calif., chairman of the House Foreign Affairs Committee, speaks to reporters after an all-member classified briefing on Ukraine, on Capitol Hill in Washington. Royce said he did not doubt North Korea was involved in the destructive hacking attack against Sony Pictures. He called for tougher U.S. sanctions to cut Pyongyang's access to hard currency, by excluding from the U.S. financial system banks in other countries that hold North Korean funds. (AP Photo/Jacquelyn Martin, File)