professor larco, if i may start with you, emotional, which is an av company headquartered in boston, testing their technology looks different in massachusetts than it does in nevada or at least that's how i understand it so states essentially are being burdened with the absence of clear federal guidance. beyond the burden individual states and communities like nevada and massachusetts, what does this cost with regard to our national priorities to not have these federal standards? >> dutch for the question. i think you're absolutely right that a lot of the deployment of avs are actually -- it's a local issue, right, and a lot of things that i talked about before, some of these ramifications, cascading impacts, are really growing affecting different communities differently and there needs to be some control at the local level to be able to respond to these things. the conversation that we've had so far, uh, it's fantastic to hear, uh, the issues around safety and labor but, uh, i guess one of the main points is that that is not the only questions that are important for av deployment we