John McCain labels Vladimir Putin a bigger threat than Islamic State

Russian President Vladimir Putin is a bigger threat to world security than the Islamic State group, US senator John McCain has told the ABC.
The Republican also admitted in an exclusive interview with 7.30 that President Donald Trump sometimes made him "nervous".
During a visit to Canberra, Senator McCain said Mr Putin was the "premier and most important threat, more so than ISIS".
"I think ISIS can do terrible things," he said. "But it's the Russians who tried to destroy the fundamental of democracy and that is to change the outcome of an American election." Read more here: ab.co/2rNNY2y