Deborah Ann Sivas, director of the environmental law clinic at Stanford University, discusses a lawsuit being filed by the state of California against the Environmental Protection Agency for the agency’s April 2nd decision to revise emissions requirements for cars and light trucks. Plus, Rick Su, a professor at the University at Buffalo School of Law, discusses the fate of a caravan of Central American migrants, who arrived at the U.S. border asking for asylum and are being allowing across the border in small groups, despite repeated pledges by President Trump to keep them out. They speak with Bloomberg’s June Grasso.