Some users have a tendency to ask a number of questions, sometimes not even very closely related, in a single "question" on Stack Overflow. This makes answers more difficult -- as each answer may be "right" and "wrong" at the same time, it causes incomplete answers as people will often overlook that more than one question was made, and makes them less searchable because the titles are ambiguous and non-specific, reflecting the fact that more than one thing was asked.
I'd like to be able to, somehow, split the question in two, and, if needed, repeat that recursively until every distinct question has its own question/topic. The author of the original question would be preserved.