If I were to make a New Year’s resolution for 2013, it would be to read William Manchester’s Churchill biography, the last volume of which was completed by Paul Reid in 2012, nearly eight years after Manchester’s death. Of course, I don’t make resolutions since there are more than enough failures to tolerate in life without me adding to the list. But Reid’s story is almost as interesting as Churchill’s. Reid was a college dropout who went back to school in his 40s, and at 46 became an intern at the Palm Beach Post. It was through his newspaper work that he met Manchester, who was ill and dying and unable to finish the last volume. Manchester unexpectedly chose Reid to finish the third volume,