Outside voices: Does invoking national security increase U.S. insecurity?

Burgeoning concerns in official U.S. circles about national security, and the increasing frequency of its invocation, may actually undermine national security, warns Yeo Han-koo, senior fellow at the Peterson Institute for International Economics and a former Korean trade minister. His case in point is the proposed acquisition of U.S. Steel by Nippon Steel and the concerns that has raised in official Washington. The emerging controversy over the acquisition, with national security concerns at the center of articulated issues, actually may...