On CBS’s Sunday Morning Show there was a story about living a really long time by restricting your food intake. If you eat, say two thousand calories a day, which is like a Big Mac and fries, then you can expect to live to be 140 or so years old. The only problem, of course, is that more people worth rather die than live on a diet of 2000 calories a day.But if you liked an idea of how long your going to live doing what you are doing now, try one of the many online Life Expectancy Calculators. These…