Sources telling CBC that Fed Governor Lisa Cook could file a lawsuit to overturn her firing by the president as soon as today in a federal court uh in DC. Well, joining us to discuss former assistant attorney general Jonathan Caner. He's a CNBC contributor, of course, a distinguished law professor at Washington University in St.Louis. A very good morning to you, Jonathan. What's your snapshot of what's happened so far.This is now up to her to fight back or the other way around. It's up to her to fight back. ...