WASHINGTON (Reuters) - The United States, Japan and European Union plan to bring a new trade case against China over its export restrictions on rare earth minerals used in a variety of high-tech and clean energy products, senior administration officials said on Monday. They were responding to a published report by the Associated Press which said President Barack Obama would announce on Tuesday that the United States would ask China for talks on the issue at the World Trade Organization, the first step in filing a trade case, and be joined by the EU and Japan. ...