The White House defended President Trump's dismissal of the bipartisan U.S. Elections Assistance Commission's remaining members as enhancing election security. Critics called it a dangerous partisan move.
The California company Cadiz has been trying for years to pipe water out of the Mojave Desert. The Trump administration approved a plan for a pipeline.
The visit will take place during an East Coast road trip following next week's All-Star break and will be the third time they have been hosted at the White House this decade.
Iran has targeted American military sites in the Gulf after the U.S. launched strikes on several places in Iran and reinstated sanctions on its oil sales.