FILE- A cod fish sits on ice at the Portland Fish Exchange, in Portland, Maine. A U.S. ban on seafood imports from Russia over its invasion of Ukraine was supposed to sap billions of dollars from Vladimir Putin’s war machine. But shortcomings in import regulations means that Russian-caught pollock, salmon and crab are likely to enter the U.S. anyway, by way of the country vital to seafood supply chains across the world: China. (AP Photo/Robert F. Bukaty, File)