It's a tough week to be a cankerworm in Charlotte. The planes have taken to the air and are dropping a substance that's designed to make a deadly meal for the wormy millions. City officials hope this week’s spraying will vastly thin the ranks of the cankerworms. They expect the green worms back next year, but in lower numbers. WFAE's Lisa Miller considers the plight of the cankerworm as the corpses begin to mount.