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Glenbrook North graduate Kevin Coval speaks with a Glenbrook South student on Nov. 3 at Glenbrook South. Martin Carlino/22nd Century Media
Martin Carlino, Contributing Editor
12:34 pm CST December 4, 2017
When Glenbrook North graduate Kevin Coval grabbed the microphone and gazed out at a room full of Glenbrook South students, he saw the reason he still considers himself an eternal optimist.