After my first test-drive of the all-new ATS 3.6, it not only became my new favorite Cadillac but my top pick in the compact luxury sports sedan segment. And now, Caddy is giving Coupe lovers their own version in this new 2015 ATS 2.0T. As the CTS grew-up, a slot was available for a smaller, nimbler car to take on the likes of German competitors. Cue the ATS – the …