The nations' 4 major intelligence agencies unanimously agree the Russians interfered in the election. That would be the CIA, the FBI, the NSA and the ODNI, the Office of the Director of National Intelligence, the cover agency for all 17 national intelligence organizations. http://www.politifact.com/truth-o-meter/article/2017/jul/06/17-intelligence-organizations-or-four-either-way-r/ 

You assume they are all lying just because Trump, the serial fibber in chief says so? As you said to me "Sport", "I don't think so!"