The Republican presidential nominee, an Arizona senator, was a maverick, which was part of his charm. He spoke and acted impulsively, which was part of his problem. Voters thought his entertaining dimensions might be incompatible with presidential responsibilities. For example, he selected a running mate most Americans had never heard of and who had negligible experience pertinent to the presidency. This was 1964. Barry Goldwater, whose seat John McCain occupies, chose to run with Bill Miller, a congressman from Lockport, N.Y., near Buffalo. Miller, Goldwater cheerfully explained, annoyed Lyndon Johnson. After the Goldwater-Miller ticket lost 44 states, Miller retired to...
