For the second time in five days-and for the seventh time in three years-individuals or entities under the control of the Horseracing and Safety Integrity Act (HISA) have filed a lawsuit in a federal court alleging that the law and its enforcement are unconstitutional. This latest legal action took the form of a July 29 complaint in United States District Court for the Southern District of Iowa (Central Division) filed by Thoroughbred owner Joseph A. Kelly and owner/trainer Douglas L. Anderson against the HISA Authority, the Federal Trade Commission, and...