The Bush/Romney Cartel can't get more partisan nor more lethal than this:

David E. Sanger / New York Times:
50 G.O.P. Officials Warn Donald Trump Would Put Nation's Security ‘at Risk’  —  Fifty of the nation's most senior Republican national security officials, many of them former top aides or cabinet members for President George W. Bush, have signed a letter declaring that Donald J. Trump … 
 
Editor's notes:  You can't be more of a danger to national security than Hillary  (i.e.,  her unprotected and private server),  yet,  The Cartel is silent on this matter.