The box of aluminum foil soared through the air, straight toward my head. Thankfully, I had spent a season as a volleyball mom and knew enough to put my hands up to catch it. Last weekend, I attended a “throw” with full knowledge that food packages and household goods would be flung in my direction. And I loved every minute of it. When my friend invited me to a feast and a throw at the Acoma Pueblo, I said, “Sure. What’s a throw?” She explained that someone stood on the roof