Re-grow Romaine Lettuce

I knew all about regrowing pineapple tops and celery and some of the other items from the grocery store but I did not know you could regrow your romaine lettuce until I saw this article from Three ps and q. Thats pretty neat.

http://threepsandq.wordpress.com/2011/12/11/peculiarities-and-plants-romaine-lettuce/