FILE - This file photo provided by Mercy for Animals, shows a frame grab from a video made by an undercover member of the group of male chicks being tossed into a grinder at an Iowa hatchery. The yearslong fight over laws prohibiting secretly filmed documentation of animal abuse is moving from state legislatures to federal courts as laws in Utah and Idaho face constitutional challenges. Half of U.S. states have attempted to pass so-called ag-gag laws, but only seven have been successful. (AP Photo/Mercy for Animals, File) ORG XMIT: CER502