A top Qatari official involved in the country’s World Cup organization has put the number of worker deaths for the tournament “between 400 and 500” for the first time, a drastically higher number than any other previously offered by Doha. The comment by Hassan al-Thawadi, the secretary-general of Qatar’s Supreme Committee for Delivery and Legacy, appeared to come off the cuff during an interview with British journalist Piers Morgan. It…