PRI's The World Published by PRI's The World GOP national security officials from Nixon to Bush denounce Trump — but others remain supporters Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/652267/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend Some 50 senior national security officials — all who served in Republican administrations — have denounced the Republican presidential candidate. They say Donald Trump is not qualified to be president and commander-in-chief.