Donald Trump launched a vicious attack on John Bolton Wednesday, claiming Bolton 'begged' him for a job and wanted to take the country into 'World War Six' before writing his 'nasty & untrue book.' The president took to Twitter to throw his bombshells at his former National Security Adviser - a move that came after Republican Senate Leader Mitch McConnell warned his party he doesn't have the votes to prevent Democrats' from calling Bolton to the witness stand in Trump's impeachment trial. 'For a guy who couldn’t get approved for the Ambassador to the U.N. years ago, couldn’t get approved...