President Donald Trump's trade negotiators enter the latestround of NAFTA talks under growing pressure inside their owncountry to step back from a confrontational stance that's left theU.S. isolated at the negotiating table.

The fourth round of talks to update the North American FreeTrade Agreement began Wednesday in the Washington area. Trump hasmaintained his threat to walk out, even amid rising opposition athome to his hardline stance. On the eve of talks, the top U.S.business group pledged to fight to preserve the pact, while aCongressional committee said it was committed to successful talksand Mexico signaled it can live without the accord.

“There is life after NAFTA,” Mexican Economy Minister IldefonsoGuajardo said Tuesday in an interview with Radio Formula.Mexico could leave NAFTA and have the strength to move on withoutany serious long-term structural damage to the economy, hesaid.