Mo'ne Davis unflappable on the 'World' stage
03:58Rachel Maddow appreciates the poise and performance of Little League pitching star Mo'ne Davis, throwing out the first pitch at Game 4 of the World Series with a hard throw right over the plate.
Rachel Maddow appreciates the poise and performance of Little League pitching star Mo'ne Davis, throwing out the first pitch at Game 4 of the World Series with a hard throw right over the plate.