.Biden prepping to shut out Nippon Steel acquisition of united state Steel The Washington PostU.S. Steel states it could possibly leave behind Pittsburgh if Nippon deal falls through as Biden plans to shut out takeover Pittsburgh Post-GazetteBiden Expected to Block USA Steel Requisition The Nyc TimesExclusive|United State Steel Warns of Vegetation Closings if Sale Collapses The Wall Street JournalBiden prepped to block United States Steel purchase through Nippon Steel CNN.