Explosive Lawsuit: White House & Fox Peddled Seth Rich Conspiracies to Distract from Russia Probe; Wray Confirmed as FBI Director as Questions Swirl over His Past Record & Close Ties to Big Business; Death at the Border: How CBP Agents Urged Mexican Teen to Drink the Liquid Meth That Killed Him; Yale Historian Timothy Snyder on How the U.S. Can Avoid Sliding into Authoritarianism.