Any statement that might hurt the Democrat Party, or any statement at all from a right-wing person. They (DNC) will use their Ministry of Truth (the media) to "fact check" the statement.
When someone alters a Wikipedia article to win a specific argument, anyone who reads the false article before the "error" is corrected suffers from collateral misinformation.
I changed the scientific classification of red foxes last night in order to win an argument with Judy. I hope some stupid High School student didn't suffer from collateral misinformation.