Three kindly old men, indistinguishable from the half-forgotten ranks of senior citizens you might pass on any city park bench in warm weather, decide to light up the dimming twilight of their lives with a last blaze of glory -- by sticking up a Manhattan bank in broad daylight. A very distinguished, not to mention award-winning star trio -- George Burns, Art Carney and Lee Strasberg -- generates just the right charm, crust and comedy a