President Obama won't allow radioactive waste to be buried at Yucca Mountain in Nevada, rejecting the long-controversial project after 20 years of planning at a cost of at least $9 billion. Obama and Energy Secretary Steven Chu "have been emphatic that nuclear waste storage at Yucca Mountain is not an option, period," said department spokeswoman Stephanie Mueller. The budget plan Obama released yesterday "clearly reflects that commitment," she said. "The new administration is starting the process of finding a better solution for management of our nuclear waste," she said in an e-mail. The decision leaves unresolved a long-term plan for...