Not long ago, Colorado voters used Article XXI of their state constitution to recall two Democratic state senators who voted in favor of a series of gun control laws that were among the strictest in the nation. The recall was the first time the constitutional provision had ever been utilized.
In other words, citizens signed recall petitions, got the matter on a state ballot, then voted to fire the two politicians, who, in their opinion, violated the United States Constitution's Second Amendment with their gun grabbing legislation. They gave them a pink slip and told them to hit the road. Well done, Colorado!