if you wouhad been called and t teacher says, i can't get this kid out of the classroom and you were a police officer? >> i think it's more about a conversation. i don't think it take officer fields to flip a child, throw the child across the classroom and handcuff her down, it's very unnecessary. it's the difference between being a police officer and a bully. >> carlos martin, thank you very much for sharing your story. i know it's not a story you like to tell. we appreciate it. we need to understand as much as we can, as many different perspectives as we can get. alisyn? >> actually, i'll take it here, chris. if you want to get in on this conversation, you can post your comments on social media. but also, with so many officer-involved shootings making headlines lately, president obama essentially walking a bit of a tightrope in a speech to police chiefs. he said, america is safer because of their efforts, but the prth also addressed concerns about racial profiling and excessive force. michelle kosinski is live at the white house. quite a conundrum for the president. >> you got it exactly right. you're speaking before the