US, Canada face tough issues as they resume Nafta talks

If ratification is delayed much longer, it could become hostage to electoral politics.

THE U.S. and Canada will resume efforts on Wednesday to resolve issues holding up a renegotiation of the North American Free Trade Agreement.

Canadian Foreign Minister Chrystia Freeland is set to meet U.S. Trade Representative Robert Lighthizer in Washington after the U.S. and Mexico last week agreed to terms on their portion of the trilateral accord. The focus this week will be on Ottawa and Washington bridging differences to keep all three countries signatories to an update of the quarter-century-old treaty.