We finished episode 2 of Guns, Germs, & Steel while continuing work on the thesis flow chart and adding evidence details (1st hour from 42:19-end; 4th hour from 52:21-end; 7th hour 45:00-end). We then began the third and final episode ("Into the Tropics") -- 1st hour until 29:50, 4th hour until 41:50, & 7th hour until 33:36.