Trump won't say if Comey conversations were taped

President Donald Trump refused Friday to say whether his private conversations with fired FBI Director James Comey were taped — a matter at the heart of conflicting accounts of what passed between them — and asserted that nothing in Comey's testimony to the Senate showed collusion with Russia or obstruction of justice."He's a leaker," Trump said dismissively. "Yesterday showed no collusion, no obstruction."He further denied ever asking Comey for his "loyalty," contradicting Comey's d