Viewers of Sunday's edition of CBS' "60 Minutes" news program were treated to a short clip about GM's "Push for Better Design," in which none other than the designmeister himself, Bob Lutz, gave a carefully orchestrated peak at the Cadillac model shown in the accompanying screenshot. (The full video is here.)

What is it? We haven't a clue. Autoblog tipster IngenRa thinks its the next CTS - check out the video and tell us what you think.

[Source: CBS and AutoSpies] Thanks to everyone who sent a tip on this one!

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