You’ve probably heard this joke: While two men are camping in the woods, an angry grizzly bear approaches their campsite. Seeing the grizzly, one of the men, named Joe, pulls off his hiking boots and begins furiously lacing up his running shoes. “Joe,” says the other man, “I know you’re fast, but there’s no way you’re going to outrun this bear.” “I don’t have to,” Joe replies. “I only have to outrun you.” As is