An Amtrak train on the NEC in NJ, as seen from...

When congressional negotiators agreed to a final version of a transportation bill, it included an amendment to allow Amtrak passengers to take their guns with them—unloaded, locked, and only in their checked baggage.

While only a small skirmish in the long war against the right of citizens to “keep and bear arms” under the Second Amendment, the process by which this amendment was added is worth examining as a microcosm of “representative government” in action.