Anyone can change the course of history. You can start a movement, run for office, or if you’re too insane for that kind of thing, buy a cheap gun and try to kill the President.

Now killing the President requires a lot of planning, but when you’re crazy, planning involves casting imaginary spells and talking to ghosts. All of which makes it even stranger that some of the craziest assassination plots ever hatched by some of the craziest people came so close to succeeding.

For instance…