U.S. Trade Representative Jamieson Greer tells CBC chief political correspondent Rosemary Barton that Canada wanted 'too much' from the U.S. in trade negotiations. In the Canadian exclusive interview — the first one-on-one the Trump administration has done with Canadian media since the trade dispute entered this new phase — Greer denies the Canadian assertion that the U.S. added last-minute conditions to the Canada-U.S. draft deal that fell apart.