Chris at Robert Muellers testimony on capitol hill delayed as democrats subpoena new witnesses in the russia investigation. Well discuss House Democrats showed on with the president with speaker Ben Ray Lujan. Its a Fox News Sunday exclusive. Plus, the very public feud between Speaker Pelosi and the left wing of her party. Well ask our sunday panel about the democratic divide. All right now on Fox News Sunday. And hello again from fox news in washington. We begin with breaking news. The threat of disastrous flooding crossed to across the gulf closed as now Tropical Storm barry brings high winds and drenching rain to mississippi and louisiana. After briefly becoming a category one hurricane, the first of the season, the system made landfall saturday about three hours west of new orleans. Casey stegall is there with the latest. Barry continues to weaken as it pushes inland, but officials warn the threat is far from ove over. We still have a significant about of rain coming our way. Will