And airbag investigation, a capitol hill hearing grilling the maker of millions of airbags, probably the ones in your own car. Coverup. Debate about problems, lets talk live in the cnn newsroom. And good morning. Im carol costello. Thank you so much for joining me. The Florida State University Classes are canceled and exams on hold this morning as gunfire erupts in the school library. It was midnight, the library was crowded with students studying when they heard this. There has been a shooting in the library. Stay where you are. Well be coming to get to each floor, clearing, and taking care of anybody. If anybody has a victim, if anybody has been shot call 911 from your cell phone. If you have not been shot or do not know if somebody was armed, do not call 911. Jesus. If you know somebody who has a gun who has been shot call 911. When it was over, three students were shot. One of the students is in critical condition. Those inside the library used books and tables to barricade themsel