Former U.S. ambassador to Canada Gordon Giffin talks to Tom Clark about how relations got so bad between Canada and the United States, and what it will take to patch things up.

Full transcript for Season 4 Episode 21, aired Feb. 1, 2015 featuring interviews with Public Safety Minister Steven Blaney and former Canadian Forces member Scott Taylor about Canada's fight against terrorism, former U.S. ambassador to Canada Gordon Griffin on the strained relations between the two countries and a breakdown of the week's politics with the Ottawa Citizen's Mark Kennedy.