 US December light vehicle sales came in at a 13.3m pace compared to the Wards estimate of 13.0m.Theres been plenty of talk and warnings about auto demand and the US consumer but the December sales number was 6.2 higher than last December. For the fourth quarter overall, sales were at 14.2m compared to 13.0m a year ago.The big caveat in these numbers is that many of these sales are deliveries that have lagged. For instance, I ordered a car last January and it still hasnt arri... 