This episode's headline: Microsoft - Playing Monopoly?; Algeria in Agony; Cambodia's Conflicts; Monument to Art; One for the Road. ANCHOR: JIM LEHRER; GUESTS: DON CRABB, University of Chicago; JONATHAN COHEN, Internet Analyst; FRANK GEHRY, Architect; CORRESPONDENTS: PHIL PONCE; CHARLES KRAUSE; TOM BEARDEN; ELIZABETH FARNSWORTH; SAIRA SHAH;