SACRAMENTO, Calif. — The federal government has rejected $306 million in reimbursements for California's repair of damaged spillways on the nation's tallest dam, a state agency said Friday. California has so far requested about $639 million from the Federal Emergency Management Agency for the Oroville Dam repairs, said Lisa Lien-Mager of the state's Natural Resources Agency. FEMA has agreed to cover $333 million. That's less than about a third of the $1.1 billion the state's Department of Water Resources said it took to repair the dam. Spillways on the Oroville Dam crumbled and fell away during heavy rains in February...