SAO PAULO :Lewis Hamilton called for more "transparency and accountability" from Formula One's governing body after questioning on Thursday why he had been given a penalty at last month's Mexico City Grand Prix. The seven-times world champion was handed a 10 second penalty after he cut across the grass at turn four while others who cut corners before that escaped sanction. "There isn't any clarity," the Ferrari driver told reporters at the Sao Paulo Grand Prix when asked if he understood more