Secret emails obtained exclusively by Breitbart News show the libertarian Cato Institute, Americans for Tax Reform, and Sen. Marco Rubio (R-FL) are colluding on immigration reform messaging in the wake of the Boston Marathon terror attack in order to push the “Gang of Eight” bill that was released this past week. On Friday afternoon, political consultant Peggy Ellis of Ellis & Company, who is supporting the Gang of Eight immigration efforts, emailed “Talkers from Rubio” to the group of organizations supporting their efforts such as Cato and ATR. The email was headlined: “Rubio talking points re: Boston terrorists vis a...