RENO (AP) - Wild-horse advocates may be unified in their sharp criticism of Interior Secretary Ken Salazar, but they're split over President Barack Obama's choice to replace him.Horse groups are hoping Recreational Equipment Inc. chief Sally Jewell will represent a shift in direction for the government's management of wild mustangs. They note nearly 40,000 horses have been removed from the range across the West during Salazar's four-year tenure, which ends in March.Suzanne Roy, director of the American Wild Horse Preservation Campaign, said her group "responded optimistically" to Jewell's nomination and looks forward to opening a dialogue with her about reforming …