Senate Armed Services Committee Chairman Sen. John McCain, R-Ariz. responds to reporters' questions about critical comments from President Donald Trump, Thursday, Feb. 9, 2017, on Capitol Hill in Washington. J. Scott Applewhite AP
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McCain, meanwhile, garnered attention Friday for his implied criticism of Trump while speaking at a conference in Munich. In that speech, McCain never mentioned Trump by name, but many commentators saw it as a veiled shot at the president nonetheless.

“More and more of our fellow citizens seem to be flirting with authoritarianism and romanticizing it as our moral equivalent,” McCain said in his speech.