Senators from left: Jerry Moran, R-Kan, Chuck Grassley, R-Iowa, Joni Ernst, R-Iowa and Sen. Kirsten Gillibrand, D-N.Y., are seen during a field hearing of the Senate Committee on Environment and Public Works, in Glenwood, Iowa, Wednesday, April 17, 2019. The hearing was called to investigate the U.S. Army Corps of Engineers&#8217; Management of the 2019 Missouri River Basin Flooding. (AP Photo/Nati Harnik)