July 10 (UPI) -- Costa Rican President Rodrigo Chaves could become the first sitting president in the country's history to lose immunity from prosecution after a landmark request by the Supreme Court to bring corruption charges against him. The decision now rests with Costa Rica's Legislative Assembly, where a two-thirds majority -- 38 of 57 lawmakers -- is required to lift the president's immunity. With only eight seats aligned with Chaves' administration, the outcome depends on support from a