What's more festive than family dysfunction and projectile baby vomit? When a vacationing couple (Reese Witherspoon, Vince Vaughn) get grounded at the airport, they're forced to visit each of their divorced parents. Not even four credited writers and five Oscar winners (Witherspoon, Sissy Spacek, Robert Duvall, Mary Steenburgen and Jon Voight) could make the 88 miserable minutes of Christmases worth one viewing.