Dog Park Cheese Alert

The hottest viral image on Facebook right now shows a handful of ham, cheese, and nails purportedly found in a dog park in Chicago, Illinois; Tucson, Arizona; Regina, Saskatchewan; or some unspecified town in Massachusetts, depending on which version of the rumor you happen to read.

Moreover, placing this deadly concoction in dog parks is a new "trend," the rumormongers say — meaning either there's an epidemic of animal cruelty sweeping North America or an epidemic of gullibility sweeping Facebook.

You decide...