Just like my kids only eating “magic carrots” at daycare or the luxury of having fried SPAM on a toasted bagel as a backpacking delicacy over a campfire, so it is with Captain Mustard, that rare annual treat while on vacation in the Upper Peninsula of Michigan.  Rainy day on Cisco Lake?  No problem.  Dock the boat.  Stow skiis, kayaks, tubes, and head for town. The line of customers at noon, beneath the red canopy attached to the tiny travel trailer boasting signs painted red, yellow, and blue, is made up of tourists, locals, and laborers on lunch break. Reminiscent of the “Soup Nazi” of Seinfeld era, customers overlook the…