Leonard Pitts: Another mass shooting, a nation on tenterhooks

In 1879, on the road leading into Dodge City, there stood a sign. "The Carrying of Fire Arms Strictly Prohibited," it said.As recounted in the book “Gunfight: The Battle Over the Right to Bear Arms in America” by Adam Winkler, the gun control ordinance was the first law passed when the city was organized in 1873. Nor was Dodge unique. Many other western towns, Wichita and Tombstone among them, had similar laws.The statutes don't seem to have been particularly controversial. Though Do