By GENE JOHNSON, Associated Press TENINO, Washington (AP) — The blue-cheese salad dressing, butter, ground turkey, cans of grain-free dog food and new toothbrush came to $24.97. Laurie Mahlenbrei handed the cashier a slice of wood marked $25, and walked out. The wooden currency is good only in the small city of Tenino, Washington, part of an effort to help residents and local merchants alike get through