Wow, I didn't even notice all the other ones. Nice catch. One counter-example to consider is in the first paragraph:

However, if both defect, then they'll both receive higher sentences than if neither of them confessed.

I added the formatting for italics back in, since it didn't survive transcription. Is there any way to view your comment before posting? I'm always kinda nervous to submit without an opportunity to see what I wrote as the world sees it.