TOM JOHNSON, the 60 minute All-American currently assigned to a first string tackle berth in the College All-Star camp, is the acme of modesty.... Hardly a man around can remember him saying anything since the Collegians gathered at St John's Military academy... He did say, however. "Don't sell Michigan short this fall."... The Wolverines will come up with a surprisingly fine team, Tom opines, altho fromf this distance it is difficult to see how...