This springtime’s “where’m I gonna use my Delta companion pass this year” question was easy to answer.  Since going to Shakespeare & Company bookstore in Paris last June and to Ketchum, Idaho last fall, I’ve been a voracious Hemingway reader–both of his works and of the biographies about his adventures.  I wanted to go to his house and museum in Key West.  Last weekend, we went. We landed at 10:30am, picked up a convertible Camaro, and pulled up to Joe’s Stone Crab 15 minutes before its 11:30am opening…