Where else but San Francisco City Hall could a 10-foot-long wheelchair ramp wind up costing $1 million? Thanks to a maze of bureaucratic indecision and historic restrictions, taxpayers may shell out $100,000 per foot to make the Board of Supervisors president's perch in the historic chambers accessible to the disabled. What's more, the little remodel job that planners first thought would take three months has stretched into more than four years - and will probably mean the supervisors will have to move out of their hallowed hall for five months while the work is done. "It's crazy," admits Susan Mizer,...