FORT WORTH - A Star-Telegram investigation has uncovered discrepancies in the academic credentials of RadioShack Chief Executive Dave Edmondson, including inaccuracies on his résumé and corporate biography. A biography that was distributed to the news media and posted on RadioShack’s Web site said that the executive earned degrees in theology and psychology from Pacific Coast Baptist College in San Dimas, Calif. But the registrar at the small school, which moved to Oklahoma City in 1998 and renamed itself Heartland Baptist Bible College, said enrollment records show that Edmondson completed only two semesters of coursework. He also said that the school...