As the latest round of talks between the U.S., Canada and Mexico to renegotiate the North American Free Trade Agreement (NAFTA) ended last week in a stalemate, two issues emerged as the key sticking points. One is the Trump administration’s demands over the so-called “rules of origin” for automobiles. The Trump administration wants U.S. content in automobiles to be at least 50% to qualify for NAFTA’s zero tariffs. A companion push is to raise the minimum value of automotive components sourced within the three countries from the current 62.5% to 85%. The second issue is the U.S. demand for a so-called “sunset clause,” where the three countries must renew the 23-year-old agreement after five years, or else it would lapse. The demands are intended to help bring automobile manufacturing jobs back to the U.S. and correct the U.S. trade deficit, Robert Lighthizer, the U.S. trade representative, said in a statement after the latest round of talks. But the U.S.…