The drumbeat on GMO labeling just keeps getting louder. Recently, the Environmental Media Association debuted this #ConcealOrReveal PSA on the “Today Show,” featuring Constance Zimmer, Ginnifer Goodwin, Jillian Michaels, Jordana Brewster, Sara Gilbert and Sarah Michelle Gellar all urging brands to support GMO labeling. Unfortunately, the video misses a most important takeaway: Click here to add your name to a petition supporting mandatory GMO labeling laws.