Former U.S. Ambassador to Canada David L. Cohen is blaming the Trump administration’s hardline trade pressure for pushing Ottawa into engaging with China. “I think Canada has tentatively tried to play some footsie with China that the Trump administration may not be happy with,” Cohen, who served as former President Joe Biden’s ambassador to Canada from 2021 to 2025, said in an interview with Fox News Digital. “There is a discomfort with that,” C…