nancy ognanovich is a congressional leadership reporter with bloomberg government. you can follow her on twitter. weekend, a bipartisan group of senators are traveling to puerto rico to survey hurricane damage and relief efforts. the group includes tim kaine of virginia, ron johnson of york, and richard blumenthal of connecticut. the trip was arranged to the department of homeland security and fema. donald trump has approved an emergency declaration for a large area of louisiana and ordered federal assistance for the state as hurricane nate enters the gulf of mexico. the statement released said the theent authorized -- president authorized agency and the department of homeland security to coordinate all disaster relief efforts. forecasters say nate could hit overnight as a category two hurricane. vice president michael pence and his wife, karen, are in las vegas today. the vice president is expected to speak at a citywide prayer walk later this afternoon. presidentkly address, trump talks about reaction to the mass shooting in las vegas. georgia congressman john lew