Overview: Headlines for May 26, 2016; 'Significant Security Risks': State Department Says Clinton Broke Rules Using Private Email Server; Granddaughter of Exxon Scientist Confronts CEO over Oil Giant’s Decision to Fund Climate Lies; Bill McKibben on Exxon, the Power of Divestment, and Being Targeted by Shadowy Right-Wing Group; Keep Oil in the Soil: Bill McKibben on Being Named by Sanders to DNC Platform Committee; Texas and 10 Other States Escalate Attacks on Trans People with 'Political Stunt' Bathroom Lawsuit