(INITIATIVE) INITIATIVE TO REQUIRE TWO-THIRDS VOTE FOR RATIFICATION OF NEW OR EXPANDED JAIL, HAZARDOUS WASTE LANDFILL OR CIVILIAN AIRPORT PROJECT. Shall the initiative measure, which would require that no new or expanded jail, hazardous waste landfill or civilian airport project (all as defined in the measure) shall be valid and effective unless ratified by a two-thirds majority of voters voting in a county general election and requiring that the Board of Supervisors conduct a public hearing in each affected city prior to project approval, be approved?