GM executives defend NAFTA, Mexican truck plant

DETROIT (Reuters) - General Motors Co (GM.N) Chief Executive Mary Barra expressed optimism on Saturday that the North American Free Trade Agreement would survive, and other senior GM executives stood by the company’s plans to continue building trucks in Mexico. At an event to tout GM’s 2019 Chevrolet Silverado pickup truck ahead of the Detroit auto show, Barra twice did not answer directly when asked if the automaker is reconsidering current production in Mexico in light of potential changes ...