Why America Shouldn’t Panic About Its Latest Challenger

In February 1947, U.S. President Harry Truman huddled with his most senior foreign policy advisers, George Marshall and Dean Acheson, and a handful of congressional leaders. The topic was the administration’s plan to aid the Greek government in its fight against a communist insurgency. Marshall and Acheson presented their case for the plan. Arthur Vandenberg, chair of the Senate Committee on Foreign Relations, listened closely and then offered his support with a caveat. “The only way you are going to get what you want,” he reportedly told the president, “is to make a speech and scare the hell out of …