Lincoln has transformed from what looked like a sinking ship into one of the industry’s fastest-growing brands, propelled by a redesigned MKX and freshened MKZ. The next few years are when Lincoln should really start to show whether it can become a big-time luxury player again. Dealers are abuzz about the Continental coming this fall, and two more new nameplates are on the horizon, while the two biggest duds in the lineup are headed toward extinction.