Economy / Even if losing domestic sources of primary steel does not seem like a national security threat today, it might tomorrow. Todd N. Tucker On Friday, President Joe Biden announced his decision to block the $14 billion acquisition of the US Steel company by Japan’s Nippon Steel Corporation.

President Biden blocked Japan's Nippon Steel from buying U.S. Steel last week, earning the approval of the United Steelworkers union, which desperately wanted the deal crushed. But steel workers themselves may be less than enthused.