The US Navy already has at least 13 surface warships and a nuclear-powered submarine operating in the region. What's Going on? Venezuela has been on tenterhooks for weeks, waiting as the United States gathers an armada of warships. The world’s largest aircraft carrier, USS Gerald R. Ford , looks likely to arrive in the Caribbean from the Mediterranean early next week to join the assortment of destroyers, frigates, amphibious assault vessels and a nuclear-powered submarine. No one seems to know exactly what this magnificent display of American naval firepower is all about. Has it been sent to destroy the...