Lt. Col. Dave Grossman | Guests on Cornerstone Recent Guests Lt. Col. Dave Grossman Co-author – “On Spiritual Warfare” Book: Co-author – “On Spiritual Warfare” Website: grossmanontruth.com Past Guests Lt. Col. Dave Grossman Co-author – “On Spiritual Warfare” Book: Co-author – “On Spiritual Warfare” Website: grossmanontruth.com
