López Obrador seeks fast-track accord on Nafta with US

There appears to be a degree of light at what has been a dark tunnel so far in the renegotiation with Nafta.

The upcoming Mexican government of Andrés Manuel López Obrador says it is seeking an agreement by the end of August, so as to clear the decks for its domestic agenda.

Meanwhile, Donald Trump has promised a surprise, a "dramatic surprise" for both countries.