This episode's headline: Central America: New Vietnam?; Social Security: Freezing Benets?; Art or Eyesore?. The guests include In Washington: Rep. THOMAS FOLEY, Democrat, Washington; Rep. NEWT GINGRICH, Republican, Georgia; JAMES DAVIDSON, National Taxpayers' Union; ROBERT BALL, Former Commissioner, Social Security; On Capitol Hill: Sen. WILLIAM ARMSTRONG, Republican, Colorado; Sen. DONALD RIEGLE, Democrat, Michigan; Reports from NewsHour Correspondents: ELAINE LIPE (WHAS-Louisville), in Louisville; MICHAEL COLE (BBC), in East Germany; JUNE MASSELL, in New York. Byline: In New York: ROBERT MacNEIL, Executive Editor; In Washington: JIM LEHRER, Associate Editor
