In a softball interview with Sen. Debbie Stabenow on MSNBC’s Morning Joe, host Joe Scarborough on Tuesday asked the Michigan Democrat if it was difficult for her to grill a friend and colleague, the former New Jersey Senator Jon Corzine, on the MF Global scandal. At one point, Scarborough enthused, "Senator Corzine. I like him a lot. We like him." Co-host Mika Brzezinski started out the interview by asking Stabenow on how they would be taking on the MF Global investigation. The Michigan senator essentially rattled off the hearing's witness list. Scarborough then interrupted, not to press Stabenow about what...