The United States has shown approval toward Japan's plan to have Iranian President Hassan Rouhani visit the country, diplomatic sources said Saturday, as Tehran is seeking to break a deadlock over a nuclear deal with world powers.Washington has also urged Tokyo to share the outcome of a summit between Japanese Prime Minister Shinzo Abe and Rouhani, the sources said. A senior U.S. official has relayed the message to Japan.Japanese and Iranian officials are arranging for Rouhani to visit around Dec. 20, according to the sources. If realized, it would be the first visit by an Iranian president…READ FULL ARTICLE