President Joe Biden blocked the 14billiontakeoverofUSSteelbyaJapaneserival.Thedealwouldcreate"riskforournationalsecurityandourcriticalsupplychains,"thepresidentsaid.President−electTrumphadalsoexpressedoppositiontotheNipponSteeldeal.SharesinUSSteelfellabout814 billion takeover by Nippon Steel.Advertisement In a statement, Biden said a committee of national security and trade experts had found that ...