The bumpy-faced waterfowl can be found across the United States, but in almost all cases the birds are domestic versions of the wild ducks. Here's how to know which is which.

A loud rap sounded one evening last week at the door of a banquet room in Manhattan’s Waldorf-Astoria in which sat Utilities Tycoon Harvey Crowley Couch, Munitions Tycoon Alexis Felix du Pont, Herbert ...