Appendix to article on polarization and presidential approval calculations

For the sake of clarity...

Readers,

I don’t usually send updates to correct typos, but the blog post that went out tonight has a meaningful one. Because I moved some words around after writing (I need to stop doing this!), I ended up writing:

Polarization means presidents have higher ceilings to their approval — because they have more opponents that are hard to sway by new events o…