Mexican labor activist's arrest sends 'wrong signal' under North America trade deal

MEXICO CITY (Reuters) - As the new North America trade deal takes effect on Wednesday, the jailing of Mexican labor lawyer and independent union leader Susana Prieto has reignited concern about the challenges of meeting its labor rights provisions.The United States-Mexico-Canada Agreement (USMCA) was signed last December after a flurry of final negotiations over demands from U.S. Democratic lawmakers for stricter enforcement of Mexico's labor standards.As part of the deal replacing NAFTA, as the..