Cleveland-Cliffs CEO says he wants to buy U.S. Steel if Nippon deal fails / US Steel and Nippon file lawsuit over Biden's order blocking $14.9bn deal / US Steel and Nippon file lawsuit after Biden blocks merger deal / Nippon and US Steel sue government over blocked deal / Biden blocks sale of U.S. Steel to Japan's Nippon / Art of the steel: Can Japan's Nippon close a $15bn deal before Trump returns? / Why the steelworkers union might crush Nippon's bid for U.S. Steel / U.S. Steel will be acquired by Japan's Nippon in $14.1 billion deal / US Steel to be bought by Japan's Nippon in $15bn deal