An apparently relieved House Speaker John Boehner sang the cheerful song “Zippity Doo Dah” multiple times during a press conference discussing his resignation announcement Thursday. Boehner said after witnessing Pope Francis address Congress the previous day, he hoped everyone would “head his call to live by the golden rule.” “Last night I started to think about this. And this morning I woke up, and I said my prayers as I always do, and decided, you know, today’s the day I’m going to do this. As