On today’s show: a live report on the latest events in Egypt. Nicholson Baker explains why he thinks that advanced algebra shouldn’t be a high school requirement. Director Bill Siegel talks about his documentary “The Trials of Muhammad Ali,” about the legendary boxer’s life outside the ring. New York Times reporter Ron Nixon explains how the sequester is affecting the nation as a whole. And with grain prices on the rise, Temple Grandin describes what cattle farmers are feeding their herds to keep costs low, and its dramatic effects.