CNN's Rosemary Church Asks “Why Not Perhaps Use Water Cannon” In Ferguson Church: “At Least It's Not Going To Have The Same Sort Of Effect” As Tear Gas Written by Media Matters Staff Published 08/19/14 10:12 AM EDT From the August 19 edition of CNN's CNN Newsroom: Video file Related: After Peaceful Start, More Tear Gas and Gunfire During Ferguson Protests h/t Deadspin