A federal judge cancelled a July 31 hearing in a lawsuit filed last week by eight Oklahoma horsemen who are trying to get the Horseracing and Safety Integrity Act (HISA) declared unconstitutional after learning that seven of the same plaintiffs last year filed a substantially similar complaint but voluntarily withdrew it three months later. The judge in the newer case, Charles Goodwin of United States District Court of Oklahoma (Western District), also signed a July 30 court order reassigning the lawsuit to Chief Judge Timothy DeGiusti, the same federal judge...