They're both big, plush, and expensive: the Cadillac Escalade and Lincoln Navigator join the Consumer Reports test fleet. Each scores points in this skirmish in different ways, but we can't help thinking that this segment's heyday has come and gone. We also look at the new Nissan Murano, which aims for a upscale look and feel at a price point dominated by family haulers. After complaining about the Murano's steering feel, we debate how much that matters to its buyers. Finally, we answer two viewer questions from the Detroit Auto Show: Could Buick build the Avenir concept car without stepping on Cadillac's toes? And, could brands other than Volvo overcome the reputational baggage that comes with selling Chinese-built cars in America?