With U.S. Steel deal axed, economic experts question future of Mon Valley steelmaking Joe Napsha Friday, Jan. 3, 2025 1:44 p.m. | Friday, Jan. 3, 2025 1:44 p.m. Go Ad-Free Today! Kristina Serafini | TribLive A U.S. Steel worker holds a sign during a rally at U.S. Steel’s Clairton plant Thursday, Dec. 12, 2024, in support of a proposed sale to Nippon Steel. Share this post: Facebook Twitter LinkedIn Reddit Email