Economic nationalism is one of the few things that can unite Democrats and Republicans these days. Politicians in both parties have spoken out against Nippon Steel’s planned purchase of former giant U.S. Steel. But does the transaction truly pose a threat to US interests? Is steel still a strategic industry or does it merely evoke nostalgia for an industrial past? What national security or economic interest is at stake? After all, Japan is our most important ally in the Asia-Pacific region. And what kind of reviews must be passed for the deal to go through? Bruce Aronson assesses the proposed transaction.