JOSEPH MENN and SARAH N. LYNCH U.S. Director of National Intelligence John Ratcliffe has revealed that Russia and Iran have both tried to interfere with the 2020 presidential election. Ratcliffe made the announcements at a hastily arranged news conference that also included FBI Director Chris Wray. The announcement two weeks before the election showed the level of alarm among top U.S. officials that foreign actors were seeking to undermine Americans' confidence in the integrity of the vote and spread misinformation in an attempt to sway its outcome. "We have confirmed that some voter registration information has been obtained by Iran,…