Minouche Shafik resigns as Columbia University’s president just as students are about to return to a campus that in the spring was rife with anti-Israel protests. What message does the move send to other college presidents as the new school year begins, as well as protestors heading to Chicago for the DNC? Plus, J.D. Vance and Tim Walz agree to a debate, while Donald Trump and Kamala Harris consider two head-to-head matchups.  

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