September 9 - https://docs.google.com/presentation/d/1uu-gPAL3ZdVupbEz5E6piI3Ddj2dzMhz9SMRg12uvV0/edit?usp=sharing

August 26 - https://docs.google.com/presentation/d/1nqIHKIZPetrkSBGl-Ax8xec-b0r9TPEWmNhAk7EzDx8/edit#slide=id.ge81b6d1f14_2_194

August 19 - https://docs.google.com/presentation/d/19vFjf5dH-FQgxkR1joNBJRoSLQwk3JMXUmAKTWwIkls/edit?usp=sharing