reportedly up for tenure. the olympic luge track in vancouver has been modified following the death of a luger during a training run on yesterday. officials have built a retaining wall where the crash occurred. a 21-year-old from the former soviet republic of georgia was killed when he was thrown from his sled into an unpadded steel pole. this is we are the world. do you see that? 2010 for haiti. almost everybody who s anybody is singing in it, even m.j., michael jackson. guess what? we re going to show it to you, video in our 7:00 hour right here on cnn. the first lady, michelle obama, is fighting mad. she says american children are facing an epidemic of obesity, and she wants it to stop. this week she launched an initiative. it s called let s move. she took specific aim at fat-filled school lunches. president followed her lead by creating a federal task force to come up with a course of action.