The U.S. military buildup in the Middle East is now the largest since the 2003 invasion of Iraq. Two carrier strike groups, more than 120 aircraft, guided-missile destroyers, submarines and air defense systems have been positioned within striking distance of Iran. President Trump said this week that Iran has 10 to 15 days to reach a deal on its nuclear program, and several units already in the region have had their deployment orders extended. Whether this ends in diplomacy or escalation, the