MEASURE Shall Ordinance O-18837 (New Series) be adopted amending People's Ordinance O-10960 (New Series) to: Modify existing height limitation for structures on approximately 66 acres located in San Ysidro for the International Gateway of the Americas Project, subject to City and Coastal Commission approval, provided that: No more than five acres may include structures up to 150 feet; No more than five acres may include structures up to 80 feet; On the remaining acreage, structures shall not exceed 50 feet?