FILE - In this June 16, 2021 file photo, President Joe Biden and Russian President Vladimir Putin, arrive to meet at the 'Villa la Grange', in Geneva, Switzerland. In their search for a new approach to arms control, Moscow and Washington are likely to soon encounter an old bugaboo: Russia's demand that the U.S. stop resisting limits on its missile defenses, which the Russians view as a long-term threat and the Americans see as a deterrent to war. It is likely to arise when U.S. and Russian officials open a “strategic stability” dialogue Wednesday in Geneva — talks meant to lay the groundwork for future arms control and to reduce the risk of nuclear war. (AP Photo/Patrick Semansky)