No, not with Issues, Etc. But he'll be on air tomorrow because he's preaching at Peace Lutheran and their 8:00 service is currently broadcast over KFUO.
Will he talk about Issues? No way! You'll discover Pr. Wilken talking about what he always talks about: Jesus Christ, Crucified and Risen, for poor sinners, delivering forgiveness, life, and Himself to us in His holy sacraments.