After a blaze of success that propelled it into going public, the Crumbs cupcake company is going out of business. We look at the object lessons that other one-product businesses might take from the Crumbs saga. Plus, a new report looks at grads who came out in the early days of the recession and concludes they’ve done just fine. They have, but only because they got in before things really hit the fan. We look behind the numbers. Also, seems Silicon Valley interns get paid a lot of money. Like, six grand a month, in some cases. What do they do to make that kind of cash, and why would any company want to pay an intern that much? We report.