It's also the case that, as the parties have become more internally cohesive, the payoff to assassination has declined. For most part, no chance in recent years of a Lincoln-->Johnson shift or a Garfield-->Arthur.
But the possibility of a Harris-->Johnson shift ...
Since we’re saying these things out loud, I’ve spent a lot of time this week very worried about SCOTUS assassinations.
Lifetime appointments are an absolutely terrible idea for so many reasons.