As the great philosopher Belinda Carlisle once said, "Vacation, all I ever wanted." Fortunately, she never met Clark Griswold. No one craves time away more than Clark, often with disastrous results. With summer in full swing (hey, global warming extends summer until October...), relive your vacation moments with our Griswold Vacation Movies quiz. Here's hoping your summer vacation doesn't involve taking John Candy hostage at Walley World.