One day after Colorado voters ousted two state senators over their support for gun control, Missouri lawmakers are debating whether to try to make federal gun control measures illegal in their state. In a special legislative session opening today, opponents of gun control in the Show-Me State are vowing to override Democratic Gov. Jay Nixon's veto of a bill that would effectively nullify federal gun control measures.

The law would make it illegal for state employee to enforce them. Nixon (pictured right) called it unconstitutional when he vetoed the measure in July.

As Sunlight first reported in March, the ...