Guyana and Venezuela begin discussion on a territorial dispute over the Essequibo region; the Redzikowo U.S. missile defense base in Poland becomes operable; the Democratic Republic of Congo (DRC) holds presidential elections; and Russian opposition leader Alexei Navalny goes missing.   Mentioned on the Podcast   Will Freeman, “Will Venezuela invade Guyana?,” CFR   Michelle Gavin, “The Democratic Republic of Congo Holds Tense Elections: What to Know,” CFR.org   Recommended Reading   Jerry Lewis, “The Nuclear Option,” Foreign Affairs   Carla Anne Robbins, “Antiballistic Missile System Gets Renewed Support From Clinton,” Wall Street Journal   Carla Anne Robbins, “Bush's Planned Missile-Shield Program May Violate ABM Treaty 'Within Months’,” Wall Street Journal   For an episode transcript and show notes, visit The World Next Week at: https://www.cfr.org/podcasts/guyana-venezuela-border-dispute-missile-defense-base-poland-drc-elections-and-more