Oklahoma City Mayor Mick Cornett joins UTTM to give insight into the devastation left behind by Monday's deadly tornado.

David Bernard, Chief Meteorologist at WFOR-TV Miami and CBS News Weather Consultant, joins UTTM to discuss what makes a tornado form.

Workers searched through what was left of Plaza Towers Elementary School, which was demolished by the tornado in Moore, Okla. As Anna Werner reports, in many neighborhoods, there isn't much left to salvage; Also, although neighborhoods were destroyed by Monday's tornado, the community of Moore, Okla., has come together; And, around 60 people were still hospitalized Tuesday with injuries they sustained when the tornado plowed through Moore, Okla. Scott Pelley talks to Dr. David Hogan, who helped treat many of the patients who were rushed to his hospital Monday night.