Carlo Ancelotti, the Real Madrid coach and former manager of Everton, is suing the Premier League club in London’s high court. The move appears to be the latest blow to Everton, who have endured a series of financial struggles in recent years including a three-year effort to raise funds to complete the building of their new stadium at Bramley-Moore Dock. Ancelotti’s lawyers filed the coach’s claim against his former employers late on Friday, according to court records. It relates to “general commercial contracts