A federal health official dealing with the surge of illegal immigrants last year at the southern U.S. border ripped President Obama for the months-long crisis, calling him a "Marxist" and “the worst pres we have ever had,” according to newly released internal emails. The emails, obtained and published by the conservative watchdog group Judicial Watch, show a June 9, 2014, exchange between Centers for Disease Control and Prevention logistics specialist George Roark and agency public health adviser William Adams. Roark begins by writing: “Unreal, no country in the world would allow this.” Adams responds: “Well, in ten years or less,...