Recall that DC voters re-elected Marion Barry.
DC voters don't like to get pushed around by the federal government, and they get pushed a lot. Marion Barry was a scoundrel, but he was sent to prison in what was a clear case of entrapment by federal agents. They were almost certainly targeting him because of his politics. How many other citizens have been handed free unsolicited cocaine by the US government? His reelection was just DC voters giving congress the finger.