Sen. Mitch McConnell (R-Ky.) argued President Biden is selling out to Big Labor by blocking the sale of U.S. Steel to Japanese-owned Nippon Steel. “The Biden administration will leave America’s core economic and national-security interests less secure than it found them,

U.S. Steel and Japan’s Nippon Steel sued the United States government on Monday in a last-ditch attempt to revive their attempted merger after President Biden blocked it last week on the basis that the transaction posed a threat to national security.

The companies argued in a lawsuit announced on Monday that Biden violated the Constitution by blocking the merger via a sham national security review that deprived the companies of their right to a fair process.