July 8 (UPI) -- People from the United States' two closest neighbors -- Canada and Mexico -- are more likely to view the country as their greatest threat, not their greatest ally, according to a poll released Tuesday by the Pew Research Center. According to the survey , 59% of Canadians and 68% of Mexicans view the United States as their countries' greatest threat. Meanwhile, 55% of Canadians and 37% of Mexicans view their neighbor as their most important ally. The figures come from a survey