Subhead:Lich's attendance at the U.S. ambassador's Fourth of July celebration caused a stir among mainstream media outlets in Canada.# Conservative strategist Kory Teneycke claimed Tamara Lich's attendance at a reception hosted by the U.S. ambassador and her request to visit the White House amount to American interference in Alberta's independence referendum. Teneycke alleged that Tamara Lich's appearance at U.S. Ambassador Pete Hoekstra's Ind…