Vladimir Putin was mocked by leaders at the start of the G7 summit on Sunday (PA) (PA Archive) Boris Johnson has said the “price of freedom is worth paying” as he compared Russia with Nazi Germany. The prime minister argued that Western allies must continue to back Ukraine because standing up against Vladimir Putin’s aggression would ultimately make the world a safer and more prosperous place. Speaking at the G7 summit in Germany, Mr Johnson said that if Mr Putin is not resisted, it could give the green light to countries such as China to pursue their own goals of...