The Slim-Fast shake has been around for almost 40 years — but now it’s fighting for the diet dollar. A decade ago, Slim-Fast’s sales were hurt by the Atkins diet. Today, the Paleo diet — filled with ...

S. Daniel Abraham, a onetime traveling salesman who started a line of weight-loss products led by the popular Slim-Fast diet drinks and who later used his fortune as a major Democratic political donor ...