Continuity mistake: In the episode "Traffic School," Robert notes that when he was young during a family trip he was left at a gas station in New Mexico. But in "Ray's Journal," he says that he was left at a gas station in Arizona.
Revealing mistake: Marie acts like she is reading from Raymond's diary, however from the angle that she's holding it, it's obvious that there's no writing on the page except for a standard header on every page. Raymond also doesn't write anything when she asks him to amend the entry.
Answer: War.
By whom?
Edwin Starr.