The current DTS is getting long in the tooth, and it never was really an active part of Cadillac's renaissance that began with the CTS. It did get an update in 2006 that somewhat helped to align it with the rest of Cadillac's lineup, but that didn't help to bring it into contention outside it's core audience. As such, rumors have been swirling for the past year or more about what it's replacement will be. Most have them have centered on Cadillac dropping both the STS and DTS models for a new model, likely to be dubbed XTS. Now a new report has come out that says the car will be based on the Opel Insignia. What? Yes, you heard that right. To me, I think this is