WES HALL, THE fastest fast bowler, 6'4", strong, loud, is beginning to totter.  He says it is because of his accident.  No doubt.  Derek Walcott rides a wheelchair—the man people and his poetry said was a lover, possibly a rake.  George Lamming, well, he totters, too.  I saw him drop a book, and though he possibly could pick it up, I saw the relief, surreptitious and possibly angry, too, when she, young and supple, did instead.  Tom Clarke curses that he has to sit when the young one offers him a seat in the bus.  He'd rather not be seen to need a hand up of that kind.  Well, I am 61, and i