Protests against the war in Gaza have been surging on college campuses around the country. Professor Katherine S. Cho of Loyola University joins us. Then, commercial airlines are one of the fastest-growing sources of pollution on the planet. Here & Now's Peter O'Dowd and Chris Bentley report on how the industry is trying to solve that problem with sustainable aviation fuels. And, Wall Street Journal reporter Dana Mattioli's new book "The Everything War" explores how Amazon grew to be worth more than $1 trillion.

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