This episode's headline: The Detainees; Gay Marriage; Shields & Brooks; Drugs & Sports. ANCHOR: JIM LEHRER; GUESTS: DAVID COLE; PAUL BUTLER; MATT DANIELS; CHERYL JACQUES; MARK SHIELDS; DAVID BROOKS; CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN