This episode's headline: Gay Marriage; Having Their Say; Policing Papers; In Memoriam. ANCHOR: JIM LEHRER; GUESTS: DOUGLAS KMIEC; VINCENT SAMAR; MARIE GALLAGHER; MARIANNE DUDDY;CORRESPONDENTS: KWAME HOLMAN; RAY SUAREZ; SPENCER MICHELS; MARGARET WARNER; GWEN IFILL; TERENCE SMITH; KWAME HOLMAN