Guest Post: Controversy (by Chris Piuma)

This puzzle is by Chris Piuma and dedicated to Sam Ezersky

Chris says, "Thank you to Norah for spreading the word." 

*ETA 10/1: If you're here from Will's monthly roundup, welcome! Please also check out this guest post from Chris and Brooke

After you solve (or for a hint/spoiler to 40-A), watch this.

In other crossword news, Christopher Adams (aka arctan) has an all-new, all-themeless, sure to be all-bangers puzzle pack. Get it here.

If you solve it, blog it, stream it, like it, love it, or find a typo, let me know! twitter | email | or comment below. Thanks! 

[fullscreen solve] [.puz]