By Rick Steelhammer Chester, West Virginia's northernmost city, is anxious to spout off about its unique, homespun tourist attraction, The World's Largest Teapot. A recently launched clean-up and renovation project should keep the town with the giant teapot steeped in tradition for years to come.I first encountered the 14-foot-high teapot while doing research for my first book, "West Virginia Curiosities" (autographed copies still available at special column-reader rates via rsteelhammer@wvgazette.com), seven or eight years ago.