The chairman of the House Intelligence Committee has written to the Director of National Intelligence, James Clapper, asking why this week's reports by the CIA that Russia did hack Democratic campaign documents contradicts what the agency was saying three weeks ago. Congressman Devin Nunes, a Republican from California, has written to Clapper asking for an urgent briefing on the matter. Last month Clapper said he lacked 'good insight' about the connection between Russian hacking of Democratic emails and their release by WikiLeaks. Director of National Intelligence James Clapper (pictured, centre) takes his seat as he arrives at the November 17...