Brady Center joins fight over gun rights

The Brady Center to Prevent Gun Violence is joining the federal government's fight to stop states that want to exempt themselves from national gun control laws, arguing the effort threatens public safety.

The gun control advocates and the U.S. Department of Justice both filed new arguments Tuesday in the ongoing legal battle over federal gun control and states rights.

The issue was sparked with the "firearm freedoms act" first enacted in Montana last year and subsequently in several other states, and is leading to a constitutional showdown over the reach of Congress into state borders.

The sta...