Left-wing extremists have repeatedly terrorized the Mark O. Hatfield U.S. Courthouse in Portland. This week, @SenMikeLee, @SenTedCruz, @SenTomCotton and  I demanded answers from @TheJusticeDept, @DHSgov and  @fbi on how they are ensuring safety and  accountability: https://t.co/Tk6OEjSFLt