Mike Krzyzewski and Joe Paterno will meet at Penn State to discuss coaching, ethics and other issues for a show to air on ESPN. The network will tape the discussion between Duke’s basketball coach and Penn State’s football coach before an invitation-only audience June 20 at Eisenhower Auditorium on the Penn State campus.The program, “Difference Makers: Life Lessons with Paterno & Krzyzewski,” is scheduled to air on ESPN and ESPNU on June 30.