McConnell says GOP lacks votes to block impeachment witnesses, as Bolton book throws trial script into doubt

The White House's plans for a speedy trial were thrown into doubt with Senate Republicans on Tuesday floating competing proposals on how to deal with new explosive revelations from ex-national security adviser John Bolton that have the potential to blow up the impeachment trial -- and Senate Majority Leader Mitch McConnell telling Republicans he doesn’t have enough votes to block the calling of impeachment witnesses.