Don't forget the day has to fit somewhere too...
If the titles are to be uniform (which would be proper, considering these aren't just random threads) then the question must be included whether it's too long or not.
Also, putting the question in the title takes away all the excitement of...
But if you reply to the question then you will have it right there?
If you put the question in the title it’s going to look awfully cluttered, especially with “Question of the Day” and the date as well.