Most people have heard of the Irish goodbye, which involves a sneaky, unannounced exit by someone during an event. It turns out a regional exit based in America often plays out at the end of a meal — and it’s quite the opposite. The “ Midwest goodbye ” is less about leaving and more about how long it takes to actually get out the door.  What starts as a simple attempt to head home can turn into a prolonged process filled with hugs, small talk and repeated attempts to exit even as  leftovers are