“Mr. Obama, tell us about your nuclear war with Russia!” a man could be heard yelling from the back of the crowd (CNN translated as “nuclear plan in Russia”).

“Who’s that back there?” Obama asked. “What the heck are you talking about?” The friendly crowd dutifully cheered and chanted the president’s name until man apparently sat back down. There are plenty of reasons that Democrats could be unhappy with Obama, but this one seemed a little far afield.