AP, TORONTO - Close your mouth. Look into the camera. Don't smile. Don't frown. Canadians applying for passports must now submit photos showing "neutral expressions". They cannot be smiling, frowning, glaring or grimacing, the Canadian passport office said. The changes follow recommendations from the International Civil Aviation Organisation, the UN agency responsible for aviation issues, aimed at making it easier for security personnel to recognise passport holders around the world, a spokeswoman told the Globe and Mail newspaper. The measure took effect on August 15, but the office will accept photos that do not meet the criteria until November 3....