saic, carmaker, and tesla asking the shanghai government to ask the szechuan government to make sure the auto parts manufacturers have power. they would like to prioritize that and saying we will run out of parts. that is a legitimate imperfect -- impact. you have miners in chile having to build desalinization plants, take the salt out of the water. that is 50 times more expensive than water they would pay for in the traditional fashion, having the pump for cell phone utility. it is more expensive raising the price of copper. andrew: there are a lot of report about water scarcity in the united states. is it really so bad? al: i like to frame things we have learned, this is regional. the southwest is in tremendous drought. lake mead which is the reservoir formed by the hoover dam, water level is 50 feet below where it was five years ago, finding boats that sank, finding mobsters that were placed there long ago, that will create, that create szechuan like issues, constrains growth, they need water for people's homes. and hasn't manifested itself in plain closure like china has experien