In today's festive face-off, 'Elf' and 'Christmas Vacation' vie for the title of best Christmas movie—cast your vote in the 6th annual Christmas flick fight. Meanwhile, Southwest Airlines navigates through a record $35 million fine after leaving millions stranded last December, promising improvements and passenger compensation. Plus, Denver's weather warms up before a chilly Christmas Eve, and a massive fire in Aurora disrupts traffic for days.