PER CURIAM. On Petition for Writ of Mandamus. Relators, Uvalde Rock Asphalt Company, a Texas Corporation, H. Randolph Brown, and William K. Clark, seek a writ of mandamus ordering the Honorable Walter Loughridge, Judge of the 37th District Court of Bexar County, to set aside his interlocutory order for discovery entered in Cause No. F-193984 pending in the District Courts of Bexar County, and ...