Freeland and Lighthizer people clash over late stage sticking point.
People briefed on developments say a deal is possible as early as this week, based on a variety of factors.
But US Deputy Secretary of State John Sullivan focuses instead on North Korea nuclear crisis.
Full package for ratification, a preliminary announcement or a less-formal fix that bypasses the legislative process?
Officials are still negotiating technical details in Washington after their political bosses held talks last week.
Trump administration wants an agreement in principle on the continental trade pact in the coming weeks.
Canada’s top diplomat in Washington is suggesting a deal could be in place by next month.
Americans are showing signs of compromise on the auto content issue.
A string of embarrassing headlines stands in sharp contrast to how he portrayed the group last year.
Freeland promises tougher restrictions based on human rights grounds.
Follows a “rigorous investigation” launched last August at her request.
Lighthizer called it a massive attack on the American system of international trade.
WTO complaint about US trade practices pursuit of a progressive trade agenda is fuelling the acrimony.
Calls Trump’s threats to pull out of the trade deal a “negotiating tactic.”
Must speak with one voice on NAFTA and on Canada-US relations.