n thew versionte incorpo more protections for deighborhoods at risk of displacement also targets wealthier communities for development. joining me now to discuss th are state senator scott wiener, bill sponsor, and law professor ethan allkind who studies transportation and land use law at uc thberkeley. nk you for being here. senator, this is the second time you are introducing legislation of this timeo require high density residential development near transit hubs. what are you hoping to accomplish with this? >> we have a terrible housing crisis in california. a housing deficit of 3.5 million homes, which is eual to the deficit in the other 49 states combined. and we see the results, with working families being pushed out, people being push into homelessness, young people unable to get a foot hold. we have to take real actldn. as we b those 3.5 million homes what we don't want to do is keep building sprawl further and further away so people have two hour commutes, so we are building in wildfire zones. we want to put that housing neat transpion and near jobs. >> your first bill died in com