NAPLES, Fla. — A bomb squad detonated a suspicious package early Friday morning in a car along Alligator Alley, the main East-West highway crossing the Everglades, after an all-night search for two cars thought to be involved in possible terrorist activity. People in two vehicles were detained after a possible terrorist threat, police said. Police in Florida and Georgia searched overnight for the two vehicles after a waitress in Calhoun, Ga., in the northwestern part of that state, told police she overheard three men of Middle Eastern or Hispanic descent discussing terrorist plans Wednesday night. The waitress said the men...