Essentially, this is taking news stories and rewriting them with puns. Links to all original stories in the headlines.
USA Finds Out About Secret Party In Iran - Wonders Why It Wasn't Invited
It's a long story why the USA wasn't invited. About a half century long. To make it short, Japan is pretty good friends with Iran, and Japan is still pissed about the bombshells the US said they would drop at the annual NHGC (Nagasaki and Hiroshima Gossiper's Convention). Turns out the USA is a real douche, always gossiping and sniping at other countries. Japan still hasn't recovered from the fallout of the secrets that came out, and they've held their grudge.
It probably doesn't help that it is now fucking impossible to smuggle Geiger counters into Hiroshima.