[Washington, D.C.] Police Chief's Memo on Supreme Court Ruling

"[Washington, D.C.] Police Chief Cathy Lanier sent the following memo to District residents yesterday evening in the wake of the Supreme Court's ruling on the city's gun ban."

(Text omitted for brevity, find it behind the link.  Capsule summary:  "Yes, we know that's what the Supreme Court said, but LA LA LA LA LA LA WE CAN'T HEAR YOU.)

Clearly, my knowledge of US geography is sadly remiss.  I have labored under the mistaken impression that Washington, D.C, sits on the Potomac, not on de Nile.