In recent times Cadillac's biggest cars have suffered from slumping economies and spiking fuel prices. Yet, Cadillac's biggest players seem to have emerged relatively unscathed. That the Escalade family hasn't been put out to pasture in an era of plug-in hybrids and all-electric cars is something of a mystery. Yet, despite the misfortune heaped upon the automotive industry over the last few years, the Escalade remains as popular as ever. Call it tenacity or karma or just plain luck, but Americans seem reluctant to give up the Escalade.