Back in Junior High in the ol' 5th dimension, I had a teacher who, when we were misbehaving (about all the time, especially since it was an all-boys school), threatened to keep us in "'til June 31st." We all thought he was stupid, but of course he was messing with us.
I don't think we can say the same of our President. Note the highlighted text (and click on the image for a larger version):
See also: http://www.whitehouse.gov/news/releases/2006/10/20061011-7.html
Friday, October 20, 2006