students will attend new schools. >> you guys good? i'm wearing my uniform. you know what it is? >> rahm said he ran for mayor to improve chicago schools and if anything goes wrong today he will take the blame. >> good morning, guys. >> good morning. >> welcome back to school. >> good to see you. have a good day. >> if something bad goes down school security chief will be among the first to know. >> how is it going? >> it's my job to worry about children and things going wrong. that's what i do for a living. i'm sure i will find out what that is about. we will find out what that is about in one minute. >> everything cool? i didn't know what the lights were. >> how are we doing, guys? >> joel burns and firefighters all across chicago do their part