facility intentionally set by fire two weeks ago in aurora, illinois. it canceled thousands of flights. contract employee howard is accused of cutting cable and setting fire to a basement telecommunications room. howard is being held without bond. the faa is now reviewing security and contingency plans nationwide. >>> the top candidates for d.c. mayor could spend a lot of money in the final weeks of the campaign. finance reports show bowser, the democrat, has $1 million to spend before november 4th. david qaa tap ya's campaign has $560,000 on hand. bowser is seen as the front-runner. recent polls show he is gaining ground. on wednesday, all three d.c. mayoral candidates will be here for a forum sponsored by nbc 4 and the "washington post". you can watch it live online at nbcwashington.com at 12:30 on wednesday. >>> next month you can vote to make marijuana legal in the