Employees of the Yucca Mountain Project gather at the entrance to the facility, north of Las Vegas, in this May 9, 2000 file photo. If Texas Gov. George W. Bush is to win Nevada in the presidential election, he must be more vigorous in opposing plans to put a nuclear waste dump in the state, say some delegates to the GOP national convention. Bush told Nevada Gov. Kenny Guinn in a letter in May that he will not support any plan to store the nation's high-level radioactive waste 90 miles north ofLas Vegas at Yucca Mountain unless the plan is supported by science.