Life is unpredictable for a talking head: you may have the nation's attention during one crisis, only to be forgotten when another hot spot flares up. But then, some seem to get the call no matter where the tanks are. A look at who's up and who's down in TV land:
IN: SOVIET SPECIALISTS
Condoleezza Rice. Former National Security Council staff member.
Robert Legvold. Director of the Harriman Institute for Advanced Study of the Soviet Union at Columbia University.
Dimitri Simes. Scholar at the Carnegie Endowment for International Peace.
OUT: GULF WAR WATCHERS
Anthony Cordesman. Professor of national-security studies at Georgetown...