Tennessee lawmakers on Thursday voted to expel at least one Democratic state representative over his participation in a gun control demonstration during which a trio of Democrats interrupted the floor session and used a bullhorn to lead supporters outside in chants. The chamber voted to oust state Rep. Justin Jones of Nashville, who disrupted the proceedings alongside Reps. Gloria Johnson and Justin Pearson of Knoxville and Memphis, respectively. Jones was expelled in a 72-25 vote. Lawmakers needed 66 to remove him, according to the Tennessean. Before his ouster, Jones warned that such a move would backfire on Republicans, "Your overreaction,...