Mitt Romney: [Trump] has neither the temperament nor the judgment to be president.
President Obama I think the [Trump] is unfit to serve as president...the fact that he doesn’t appear to have basic knowledge around critical issues...means that he’s woefully unprepared to do this job.
Bernie Sanders: Donald Trump...is not qualified to be president by temperament, not qualified to be president by the ideas that he has brought forth.
Hillary Clinton: [Trump] is not just unprepared – he is temperamentally unfit to hold an office that requires knowledge, stability and immense responsibility. This is not someone who should ever have the nuclear codes – because it’s not hard to imagine Donald Trump leading us into a war just because somebody got under his very thin skin.
Libertarian candidate Gary Johnson [Trump] has said 100 things that would disqualify anyone from running for president
Ronald Reagan’s Son: I’m Not Voting For Trump And Neither Would My Dad
GOP Senate leader Mitch McConnell: it's pretty obvious Trump doesn't know a lot about the issues
Vice President Joe Biden No major party nominee in the history of this nation has ever known less or has been less prepared to deal with our national security.
Former CIA Director/Defense Secretary Leon Panetta There’s a lot of concerns I have with his qualities of leadership or lack thereof...he truly is not qualified to be president of the United States.
Former CIA Director Michael Morell Donald J. Trump is not only unqualified for the job, but he may well pose a threat to our national security.
Conservative Michael Gerson: The GOP has selected someone who is unfit to be president, lacking the temperament, stability, judgment and compassion to occupy the office
GOP Senator Lindsey Graham I don’t think he has the judgment or the temperament, the experience to deal with what we are facing
GOP Senator Susan Collins Mr. Trump lacks the temperament, self-discipline and judgment required to be president.
Fox News: Trump has an extreme, sick obsession with Megyn Kelly
50 GOP national security experts who served Nixon, Reagan, Bush: Trump is not qualified to be President...[he] would put at risk our country's national security and well-being. Most fundementally, Mr. Trump lacks the character, values, and experience to be President...[he] lacks the temperament to be President.
President Obama on Clinton: There has never been any man or woman more qualified for [president] than [Hillary Clinton]. Ever.