also this morning, a nationwide problem for school kids with attention from the commander in chief. president obama speaks out about bullies and takes his message to the cartoon network. >> and later this half hour the sweet 16 in the ncaa. who made it, who didn't, and who leads our "world news now" march madness brackets competition. but first, a popular boat race in central florida turned deadly over the weekend. >> three participants were killed after being thrown from their high-speed boats. wftv's ryan hughes reports from lake dora, florida. >> reporter: charles woodruff raise...