After the atomic bomb helped end World War II, many wondered if the U.S. would also deploy the world’s most-feared weapon in the Korean War. This hour, we’ll talk about how that question drove a wedge between the White House and the military with H.W. Brands, chair of the history department at UT-Austin. His new book is called “The General vs. The President: MacArthur and Truman at the Brink of Nuclear War” (Doubleday).