Five ideas to cut political violence at its roots

The assassination attempt against former president Trump was a shocking inflection point in an already highly charged and emotional election cycle.  

We still don’t know the shooter’s motives. Since he is dead, we may never find out, but it could have been anything. We know, for example, that John Hinckley reportedly shot President Ronald Reagan in 1981 because he wanted to impress a celebrity, Jodie Foster.    

But the conversation around what happened in Butler, Pa., very...