CORNERSTONE PRISON WORSHIP We have committed to send 15 people to the Cornerstone Prison Church worship service at the South Dakota State Penitentiary in Sioux Falls on Friday, October 13, 5:45 PM. This is a wonderful opportunity to be a blessing and encouragement to the inmates. Sign up at the Narthex table; security clearance and waiver forms must be filled out and turned in to the church office before September 28.