a serious problem, april's fool's day. april fool's day is the comedy at st. patricks day is to irish culture. >> that is to say it is a mockery of the very concepts that usually ends in a fist fight. but you may not know that april fool's day was actually invented by fdr in 1934 as a way to raise national morale during the great depression. april fool's. that's not true at all. i made it up. you trusted me and i betrayed that trust. i betrayed you. isn't betrayal fun? >> coming up fe top of the hour what to serve her? a 20th century burn the tapes. >> joe, you should have burned the tapes? james carville weighs in on the controversy surrounding hillary clinton's e-mail. plus lufthansa officials raise a stunning revelation the germanwings co-pilot raised six