When I first started writing for a real publication, I taught myself “reporting” with a simple self-made curriculum unfolding over six or seven articles. The first two pieces I wrote from my head, with reference to things I already knew or to books I’d read. For the third, I actually got out of the house, but didn’t yet have to play the journalist; I just wrote about taking a flying lesson in a small airplane. The fourth article required more gumption: I decided to shadow a friend of ...