muhammad is a self-confessed terrorist who bragged about planning the september 11th attacks. >> meanwhile, the september 11st memorial taking shape at ground zero. second steel column will go up later today in lower manhattan. it's about 70 feet tall made from the original world trade center building. the two will stand at the entrance of the memorial's museum. officials vow to have the entire memorial open by next year. exactly 10 years after the worst terrorist attack on american soil. >> a tragic story out of orlando, florida this morning. a high school football player passes away after collapsing on the field during practice. 15-year-old louis oliver wasn't suffering from any known health problems. it's not clear if dehydration was a factor. a spokeswoman for the high school says water is always available to players. >> pay close attention, guys. scientists have found out the best dance moves to impress the