The Manhattan district attorney is reported to be in plea-deal negotiations with Meredith Graves, the nurse who faces serious felony firearms charges after bringing her Tennessee-permitted .32-caliber pistol to Ground Zero, apparently unaware of the fact that New York declines to recognize out-of-state concealed-carry licenses, and that New York City declines to recognize even New York State permits. Ms. Graves, upon seeing the no-guns sign at the memorial, naïvely asked a security guard whether it would be possible to check in her pistol; this attempt to comply with the posted rules resulted in her arrest, and could well result in...