Bernardo Bertolucci’s Il Conformista is a monument in the history of cinema. The chance to see it on the big screen of the attractively retro main hall of the AFI Silver Theater in Silver Spring certainly makes a trip to one of the least hospitable corners in the Washington suburbs, Colesville Rd. and Georgia Ave., worth the aggravation. The film still impresses by its aesthetic beauty, the work of legendary cinematographer Vittorio Storaro, which is…