"Romney Responds To Rush: The Term 'Establishment' Suggests 'There Is Some Wizard Of Oz Somewhere Pulling The Strings'" by Tim Hains, www.realclearpolitics.com. March 6, 2016.
"Rush Limbaugh on rift that threatens the Republican Party; Mitt Romney talks Trump attack, future of the GOP". "Fox News Sunday", www.foxnews.com. March 6, 2016.