arbitration and just shining sunlight on all of this because of your reporting huge. but can you just answer, how did this happen in the first place? were they not doing rigorous enough background checks on all these people? >> regulators across the country would say no. uber would say yes we do background checks but it's complicated and part of our continuing story and our continuing investigation, it is not as vigorous a background check as you would get for a taxi or a limo driver. why? uber says they're trying to make this more accessible, but a lot of regulators are calling for finger background checking which uber does not do. they have announced they are going to rerun background checks on its drivers who have been driving a year or more, but still you're not getting the level of detail of background checks. not that background checks are going to solve all of this. awareness i think is going to solve a lot of this. people cannot believe that uber is just the safe ride home but