Here is another item from Futility Closet (http://www.futilitycloset.com/), re-posted with the permission of Greg Ross. ************************* It was British wordplay expert Leigh Mercer who coined the classic palindrome “A man, a plan, a canal—Panama” in Note & Queries on Nov. 13, 1948. He later said that he’d had the middle portion, PLAN A CANAL P, for a…