Martin takes over as the party out of power in Washington looks to recalibrate its direction after President Trump's return to office.
The death toll rose to seven Saturday with officials confirming 19 others injured as cleanup continues at the site of the crash near Roosevelt Mall.
Everyone aboard the flight was killed in the crash and one person was killed on the ground, Mayor Cherelle Parker said at a press conference Saturday.
New Jersey has one of the lowest fluoridation rates in the U.S. Only about 16% of New Jersey residents have fluoridated water, compared to the national average of about 75%.