Max Boot: Xenophobic hysteria from the commander in chief

Hide your valuables! Safeguard your women! Flee for the hills! The Visigoths are at the gates. We’re all doomed!That, roughly, is the message that President Donald Trump conveyed this week with his incessant tweeting — hysterical, cowardly, inhumane and deranged in equal parts — about the “caravan” of Central American migrants making their way through Mexico toward the United States.Alerted by those crack intelligence analysts at “Fox & Friends,” Tru