 After 1945, Capehart was critical of the Truman administration and the military for their postwar policies in Germany, accusing Truman and General Dwight D. Eisenhower of a conspiracy to starve the remains of the German nation.Throughout the 1950s, Capehart was constantly at odds with his Senate colleague William E. Jenner, a staunch isolationist Republican who consistently opposed President Eisenhower's "modern-Republicanism.