... The German chancellor’s disapproval helped end the political careers of former Italian prime minister Silvio Berlusconi and Greek leader George Papandreou. After burning through whatever goodwill he had with Merkel’s lawmakers and the German public, the current Greek premier could be next.... “We are watching the end of the political career of Alexis Tsipras,” Jacob Kirkegaard, a senior fellow at Peterson Institute in Washington, said in a Bloomberg Radio interview. “Mr. Tsipras can continue his career on T-shirts for students, replacing Che Guevara.”... Refusing to play ball with Germany didn’t turn out well for Berlusconi, whose premiership had survived...