She and the vice president both lived for a time at the same Evanston address. Who knew?Not Elizabeth Shemin, until a Facebook friend sent her the recent RoundTable story about 620 Library Place, where Kamala Harris lived with her family while dad Donald served as visiting professor of economics during the 1967-68 academic year. Shemin said she’s a big fan of the Democratic presidential nominee and was tickled to learn of the connection.“It just…