Marcy Wheeler: Mike Flynn’s Guilty Plea to FBI Will Shape How GOP Handles Russia Investigation; GOP Quietly Moves to Open Arctic Refuge to Oil & Gas Drilling While Earth Undergoes 6th Extinction; New Investigation Finds U.S. Special Forces Massacred Somali Civilians & Orchestrated a Cover-Up; Is Trump Plan to Replace Rex Tillerson a Push for More U.S. Aggression Toward Iran, North Korea?; Cities Across the U.S. Join Movement to Impeach President Trump For Violating the Constitution.