TRENTON, Canada  Ontario Premier Doug Ford called for an apology Wednesday after the US ambassador to Canada unleashed a torrent of profanity at a prestigious event in Ottawa. Ford said Pete Hoekstra’s outburst in front of about 200 people Monday at the annual Canadian American Business Council gala at the National Gallery of Canada was “unacceptable” and “unbecoming of an ambassador.” The tirade was apparently sparked by Ontario’s anti-tariff ad run on the weekend on American television