By Laurel Morales
Grand Canyon, AZ – Host intro:
Grand Canyon officials are deciding whether to change the mule ride program at the park. While mules are a historical icon, hikers complain about their impact on the trails. Arizona Public Radio's Laurel Morales has the story.
Frank Bush, who goes by "Poncho", prepares a group of park visitors for the day's ride. He demonstrates how to use a whip, or what he calls a "mule motivator."