U.S. spy chief 'resolute' on Russia cyber attack, differs with Trump

By Dustin Volz and Patricia Zengerle WASHINGTON (Reuters) - The top U.S. intelligence official told Congress on Thursday he was "even more resolute" in his belief that Russia staged cyber attacks on Democrats in the 2016 election campaign, rebuking persistent skepticism from Republican President-elect Donald Trump about whether Moscow was involved. Director of National Intelligence James Clapper said he had a very high level of confidence that Russia hacked Democratic Party institutions and oper