Still going strong, the mottled meat debuted in 1937
                                
                                
                                    (Newser) -
                                    American soldiers gobbled up more than 100 million pounds of it during WWII, and a tableful of Monty Python Vikings sang its praises. Although its origins are humble and its nutritional content dubious, Spam is going strong on its 80th birthday. More than 8 billion cans of the pink loaf...