BELGRADE, Serbia, July 10 (UPI) -- Serbia's premier flew to Washington Monday to tell U.S. and U.N. officials Belgrade will not accept an independent Kosovo province. Premier Vojislav Kostunica is to address the U.N. Security Council Thursday to "warn that every imposed solution (about Kosovo's future) and snatching away 15 percent of its territory is absolutely unacceptable for Serbia," a Serbian government spokesman said. Milos Aligrudic, a ranking official of Kostunica's ruling Serbian Democratic Party, said the prime minister will tell U.S. Secretary of State Condoleezza Rice that Serbia is "ready to negotiate about everything except about Kosovo's independence." Aligrudic...