Q: Is it true that Baylor University once banned Willie Nelson from its campus? As a Waco native and proud Baylor grad, I’ve long been mocked by fans and alums of certain other Texas universities (two in particular come to mind) about this piece of Texas lore. Is this true? More importantly, what can green-and-gold clad Willie fans do to overturn the ban? Colin Powell, DallasA: The Texanist has buttered his bread by being aware of things Texan—all manner of things—for a pretty good while now. It says as much right there on the last page of each print issue of Texas Monthly, in the tagline of his award-winning column: “fine advice and keen observations since 2007.” He’s proud to have opined on such wide-ranging topics as Frito pie,…