OTTAWA — NDP House leader Peter Julian is calling on House of Commons Speaker Anthony Rota to step down after he invited a man who fought for the Nazis to attend a speech by the Ukrainian president. Rota issued a written apology Sunday and repeated it in the House Monday morning. He said he alone was responsible for inviting and recognizing Yaroslav Hunka last Friday, who fought for the First Ukrainian Division during the Second World War. "I am deeply sorry that I have offended many with my gesture and remarks," said Rota. "No one — not even anyone among...