Speculation is that right before the convention he is going to travel to Berlin and give a speech that will rival that of Obama. Standing before the adoring throngs he is going to demand that the wall be taken down. It is expected he will use the name Putin as it is more recognizable and say:
" Mr. Putin tear this wall down now".
I know and I suspect most of you know about the wall these days. Speculation is that McCain knew but is having a moment.
John McCain’s long war on Russia - Ben Smith - Politico.com
This is a guy who grew up in the Cold War, was a military person and an honorable man, but has not changed his ways of thinking about Russia,” said Jonathan Elkind, a Democrat who served on former President Bill Clinton’s National Security Council. The U.S. should be “explaining with precision what we don't like about their behavior, rather than saying he ‘looked into Putin’s eyes and saw KGB.’ That has an adolescent quality that gets us exactly nowhere.”
The above is from the article.