John S. ‘Slew’ McCain was an old–school sailor. Wiry, profane, a cusser and a gambler, he reminded more than one observer of ‘Popeye.’ He was also a pioneer in the hard–hitting naval tactics that brought Imperia......

John S. ‘Slew’ McCain was an old–school sailor. Wiry, profane, a cusser and a gambler, he reminded more than one observer of ‘Popeye.’ He was also a pioneer in the hard–hitting naval tactics that brought Imperia......