Newcastle United football club co-owner Amanda Staveley on Monday lost a London High Court battle with a Greek shipping tycoon over a historic debt of nearly 3.5 million pounds ($4.4 million).Staveley, who owns 10% of the Premier League side with her husband, denied she was liable to Victor Restis for a sum that had snowballed with interest to over 36 million pounds.The total bill had included around 31 million pounds in interest, accruing at 505,000 pounds per day. Restis' lawyers…