San Francisco is a funny place. Everybody says that and nobody laughs. The issue of Propositions F and G in next month's election is a perfect example. If Proposition G passes, the groundwork will be laid to turn the huge abandoned Hunters Point Shipyard into 10,000 houses. A public housing project could be rebuilt, and toxic hot spots will be cleaned up. Some 300 acres of parks and open spaces are planned, in addition to the possibility of a new NFL stadium for the 49ers.If Proposition F passes, the developer has said it couldn't afford to do the project because...