It is always fun to go looking for the next book or pamphlet to write this column. I always learn a lot. I wrote a piece a few weeks ago from a pamphlet that had been written by Warren Leruth to celebrate the 20th anniversary of his restaurant, LeRuth’s, on the westbank in Gretna. Warren LeRuth is one of the most talented food people in the history of New Orleans restaurants. He was endlessly...