Donald Trump’s legal case against birthright citizenship is not being received well by conservative justices on the Supreme Court.During oral arguments Wednesday, Solicitor General John Sauer, whose job is to defend the government in the high court’s cases, ran into resistance from Chief Justice John Roberts.“We’re in a new world now … where 8 billion people are one plane ride away from having a child who is a U.S. citizen,” Sauer tried to argue. Roberts quickly shot that point down.“Well, it’s...