This episode's headline: Russian Roulette. The guests include ANDREI KORTUNOV, U.S./Canada Institute; VLADISLAV DROBKOV, Pravda; SERGEI GREGORIEV, Former Gorbachev Press Secretary; CONDOLEEZZA RICE, Former National Security Council Staff; ABRAHAM BRUMBERG, Russia Analyst; SEN. RICHARD LUGAR, [D] Indiana; SEN. BILL BRADLEY, [D] New Jersey. Byline: In New York: ROBERT MacNeil; In Washington: JAMES LEHRER