President Trump’s pick for under secretary of Commerce for international trade on Thursday endorsed a multipronged and aggressive approach to trade concerns like steel overcapacity, “reciprocal” market access in China and stronger intellectual property rights enforcement -- possibly through the use of a Section 301 investigation that could come as soon as this week. During trade attorney Gil Kaplan's Aug. 3 confirmation hearing, Senate Finance Committee members pushed the nominee on a range of issues involving the U.S. and China...