Olympic gold medal skier LINDSEY VONN ripped up her knee yesterday after a bad landing at the Alpine World Championships in Austria.  Vonn was treated on the slope for about 12 minutes, then airlifted to a nearby hospital.  (Here's video of the crash and the ensuing airlift, and a picture.)  (Sports Illustrated)

She suffered two torn ligaments, as well as a lateral tibial plateau fracture, which is a fracture at the top of the shin bone, where the knee socket is.  A doctor for the U.S. ski team says Lindsey will miss the remainder of this season, but she's expected to return in time for the 2014 Winter Olympics.