Ken Burns apologizes for his "filibustering," but it doesn't stop him from talking and talking until the original question becomes a faint memory in the wake of an answer that goes on and on. But perhaps as much is to be expected from Burns, the documentarian whose films begin as small, tidy projects and wind up as sprawling epics that devour hours and hours of PBS' schedule every few years. His 1990 film on the Civil War was, after all, to run about five hours; it wound up taking more than twice that long to tell. Burns originally thought he could tell the story of baseball in nine one-hour episodes; it turned into an 18-hour affair, or as long as it takes to sit through a World... More >>>