Arnold Donald admits there were gaps in how the world's largest cruise ship operator followed environmental rules. " Clearly there were some gaps in this system," Donald told WLRN's Sunshine Economy during a recent interview in his office at Carnival's headquarters in Doral. It was Donald's first public comment since agreeing to pay a $20 million fine and plead guilty to six violations of the company's probation in June. The violations were detailed in a probation report from a court appointed