Pokémon is pleased to announce that, due to overwhelming success and growth, the Pokémon TCG U.S. National Championships will be moving to St. Louis, Missouri!

Events will be held at America’s Center, in the heart of downtown St. Louis, from Friday, June 26th, through Sunday, June 28th, 2009.
* Events taking place during the three days include:
* North American Professor Cup on Friday, June 26th
* The U.S. National Championships on Saturday and Sunday, June 27th & 28th

Source: http://go-pokemon.com/op/news/articles/47.html