Is Afghanistan another Vietnam?

Frank Rich's column in today's (Sunday 9/27/09) New York Times discusses a chilling reminder about how wrong advisors get things with presidents.  His discussion of Gordon Goldstein's Lessons in Disaster makes me wonder why smart outsiders, like Obama, listen at all to Washington foreign policy insiders.  Just as George Ball, Undersecretary of State, warned Kennedy of the impending disaster in Vietnam, Joe Biden, for all his self-important puffery, seems to know what is likely to happen if we expand the war in Afghanistan.  I hope Obama is listerning....