ARLINGTON, Va. — President Joe Biden honored America’s war dead at Arlington National Cemetery on Memorial Day by laying a wreath at the hallowed burial ground and extolling the sacrifices of the fallen for the pursuit of democracy, “the soul of America.”

MEXICO CITY — Mexico sent in 250 National Guard troops and 60 police officers Monday to seize land next to the pre-Hispanic ruins of Teotihuacán where authorities have said bulldozers were destroying outlying parts of the archeological site.