FILE - In this Jan. 15, 1939, file photo, Sen. Robert Wagner, D-N.Y., left, and Sen. Arthur Vandenberg, R-Mich., talk before they go on the air in Washington for a radio debate about the Social Security Act. As Social Security approaches its 80th birthday on Aug. 14, 2015, the federal government's largest benefit program faces serious financial problems that could be fixed with only modest changes, if Congress acts quickly. (AP Photo/File)