Gamblers need action, even when the odds suck. And so they return to the ships, night after night-the slot-machine ladies, clutching their plastic cups of quarters; the shouting, hard-drinking craps-table crowd; the roulette addicts, who truly believe, all evidence to the contrary, that there is something lucky about their birthdates; the blackjack loners, with their foolproof systems that don't work-all of them eager to resume the inexorable process of transferring their cash to whoever owns the ship.