A debate of 'Titanic' proportions: Was there room for Jack after all?

It's something fans of the 1997 movie "Titanic" have debated for years - did Rose sink Jack's chances for survival by being the sole occupant of a piece of floating debris? Now there's a new forensic reenactment of the so-called "door scene," part of a new NatGeo documentary coming out to coincide with the 25th anniversary theatrical re-release of the film in February. For the record, writer and director James Cameron compared Jack to Shakespeare's Romeo and said, "He has to die."