Rockin' B Ranch Cowboy Supper Show - Thursdays-Saturdays, 5:45-9 p.m., through Sept. 30. Fun-filled family atmosphere with fiddlers, a cowboy shoot-out, a kids' posse and, after dinner on the main stage, western music by the Riders of the Rockin B. Reservations required. 3912 Spokane Bridge Road, Liberty Lake; (509) 891-9016. Washington State University Field Day – Farm-fresh snacks, a presentation and a tour of the WSU's three-acre organic farm, Thursday, 9 a.m.-noon, inside the Tukey Horticultural Orchard on Airport Road, Pullman; free. (509) 432-3716.