President Trump's claim that America has a "virtually unlimited" munitions stockpile and could fight a war "forever," could soon be tested as counterattacks target military bases and U.S. Embassies across the Middle East in what has become a rapidly-widening conflict.Why it matters: Reporting suggests that the U.S. stockpile and that of key allies, such as Israel and Gulf nations, are dwindling faster than production can replace the weapons.The problem is particularly notable given that other co...