Tabcorp Holdings Limited (TAH) said chief executive of Casinos, Walter Bugno, had resigned from the company. The gaming group said a global search for a candidate with significant casino experience was underway. Mr Bugno, 48, was chief executive Casinos for almost three years, and resigned to pursue a new business opportunity based in London. Chief executive officer Elmer Funke Kupper said Mr Bugno would continue to lead the Casinos Division...