It's that magical night that comes just once a year. No, it's not officially a holiday, but the many laughable moments from the State of the Union address can bring a little cheer to all - or at least to those who aren't the butt of the joke. Each year with all the eyes of the country on them, politicians and the people who cover them make mistakes that are good for a laugh. Most times these bloopers don't live on very long in society's collective memory, so ahead of tomorrow's State of the Union, we thought we would revisit some of the best bad behavior of the past. From sleepy senators to Twitter trouble, read on and have a laugh now so you're not caught giggling with the cameras on on Tuesday night.

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