President Donald Trump warned Mexico on Thursday he was considering leveling car tariffs if officials failed to stop the flood of migrants from crossing the U.S.-Mexico border. “We need help from Mexico, if Mexico doesn’t give the help, that’s okay, we’re going to tariff their cars coming into the United States,” Trump said. The president commented on his ongoing efforts to pressure Mexico to help stop migrants from approaching the Southern border of the United States during a meeting at the White House about economic opportunity zones. Trump backed away from the possibility of closing the border, noting that Mexico...