The sudden surge in media attention on the latest school killings amid an already-turbulent year suggests that mass shootings have finally hit the tipping point from inescapable tragedy to depressing normalcy.
The stories of Graham Platner and Roy Moore, although unfolding in different parties and different eras, trace the same institutional pattern: Modern political parties elevate outsiders when they are useful and abandon them when they become inconvenient. Platner and Moore...











