Lewis and Clark Stop celebrating. They don't matter. By David Plotz Posted Friday, August 16, 2002, at 7:40 AM PT The American infatuation with Lewis and Clark grows more fervent with every passing year. The adventurers have become our Extreme Founding Fathers, as essential to American history as George Washington and Thomas Jefferson but a lot more fun. Last month, President Bush announced the Lewis and Clark bicentennial celebration, a three-year, 15-state pageant that begins Jan. 18 in Virginia and could draw as many as 25 million tourists to the Lewis and Clark trail by the time it wraps up...