FILE - This June 23, 1967 black-and-white file photo shows Soviet Premier Alexei N. Kosygin, left, meeting with President Lyndon Johnson for a luncheon meeting of the Big Two leaders in Glassboro, N.J. At center is U.S. State Department Interpreter Bill Krimer relaying Johnson's words to the Soviet Premier. The Washington-Moscow Hot Line, used by U.S. and Russian leaders for frank discussions about crises including the 1967 Six-Day War and the Soviet Union's 1979 invasion of Afghanistan, marks its 50th birthday Thursday with the nations still grappling with competing interests in regional conflicts. (AP Photo, File)