Mayor Karen Bass said food vendors discourage restaurant patrons, mentioning them alongside homeless encampments. Her opponent, Nithya Raman, said vendors should be brought into the system.
A controller let a jet take off after missing warnings that Marine One was about to fly through the area, according to the National Transportation Safety Board.
A passenger jet came within a mile of Marine One in early August, after an air traffic controller at Ronald Reagan National Airport appeared to have missed multiple warnings.