What we must learn from the Trump shooting

We now have, as we would expect, a tsunami of commentary regarding the horrible assassination attempt on Donald Trump. It is not trivial to observe that at least the good news is that just about everyone agrees what happened is very bad and not an encouraging sign about the state of our nation.

After that point of agreement, we have many different and diverging opinions about who or what is to blame. Republicans, Democrats, Donald Trump, Joe Biden, etc., etc.

This act of violence against Donald Trump is...