Tuesday - GREATER ISSUES: The Citadel holds an installment of its Greater Issues Series. 11 a.m. McAlister Field House. Free. Scheduled speaker is Foster Friess, co-founder of Friess Associates, a privately owned investment manager that runs the Brandywine Funds family of mutual funds as well as a wide range of separate portfolios for both individual investors and large institutions. Topic: "Leadership Challenges of Today's Economy."