Rep. Lieu says the Dems' request for Pres. Trump's tax returns is "black letter law," adding that "it's plain as day. And I don't see how Steve Mnuchin can come with this decision to simply violate the law. So Congress is going to litigate this and we will win that court case."

Rep. Lieu says the Dems' request for Pres. Trump's tax returns is "black letter law," adding that "it's plain as day. And I don't see how Steve Mnuchin can come with this decision to simply violate the law. So Congress is going to litigate this and we will win that court case." pic.twitter.com/GNcfeX7ezr

— CNN (@CNN) May 7, 2019