It is agreed that you've got to have the chops to appear at the opening of the San Francisco Fall Antiques Show. Are you a force for good in the philanthropic scene? Are you a social somebody, air-kissing your friends hello and your exes goodbye? Are you a connoisseur of culture, a Templar of taste? Then you've found your place in the Festival Pavilion at Fort Mason -- the Fall Antiques Show has it all.