The divorce of Leslie Alexander, billionaire owner of the Houston Rockets basketball team, is one of a handful of local divorces sealed and excised from public view for years as if it never existed. In 2003, Alexander split with Nanci, his wife of more than 30 years, after agreeing to pay her $150 million. The couple asked that their entire divorce file be sealed, and a senior circuit judge, Allen Kornblum, obliged. ....