‘Christmas Vacation’s’ Clark Griswold powers up again with help from the Ford Mustang Mach-E

This is the time of year when families all over America cue up “National Lampoon’s Christmas Vacation” for a repeat viewing, reassuring themselves that whatever went wrong during their holiday season, it probably can’t hold a candle to the travails that afflicted patriarch Clark “Sparky” Griswold in his quest for the perfect Griswold Family Christmas.