WASHINGTON (Reuters) -The United States and China wrapped up two days of military talks in Washington on Tuesday, the Pentagon said, the latest engagement since the two countries agreed to resume military-to-military ties. Washington and Beijing are at loggerheads over everything from the future of democratically ruled Taiwan to territorial claims in the South China Sea. Ties are still recovering after the U.S. downed an alleged Chinese spy balloon in February. U.S. President Joe Biden and Chinese President Xi Jinping agreed late last year to resume military ties, severed by Beijing after a vi…