Manafort interviewed multiple times by Mueller's team since his September guilty plea, White House gearing up for fight if Democrats take House; prepping for everything from Mueller report to impeachment, Trump denies "Giving cover" to Saudis in apparent murder; says he hasn't heard alleged audio of journalist's death, Mueller's team involved in interviews with Paul Manafort, Michael Cohen and friends of Trump ally Roger Stone, Trump declines to say if FBI is involved in Khashoggi investigation, CNN obtains satellite photos revealing Putin military buildup, Former Trump personal attorney Michael Cohen meets with prosecutors investigating Trump's family business and charity via Knit