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.

By blocking a Japanese company’s takeover of U.S. Steel, President Joe Biden said he was protecting good jobs in the American heartland. He may be putting them at risk instead.

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,