By Don Hammonds

Want subtlety in your next set of wheels? Want striking without the needless bling? How about a car that is as close to a prototype for the future as you’ll get? Let me introduce you to the Lincoln MKZ. I can see you now–you take a look at the zoomily elegant fastback in front of you, and you’re thinking, “No way!  That’s not an MKZ. The MKZ has a squarish design. Looks like a fancy Fusion. But this  fastback …