Donald Trump has raged at his ex-national security adviser John Bolton, saying the Ukraine claims made in his forthcoming new memoir are “nonsense” and declaring he would have started “World War Six” if he had not been removed from office last September as the Republican effort to discredit him continues.A new poll by Quinnipiac University has meanwhile found that 75 per cent of Americans want to hear from Mr Bolton at the president’s Senate impeachment trial as GOP majority leader Mitch McConnell is forced to admit he does not currently have the votes to stop Democrats calling new witnesses to speak out.
