A trip to Lake Powell could cost you a bit more if an Arizona city succeeds in annexing a portion of Glen Canyon National Recreation Area. National Park Service officials worry the measure could affect hunting within the park and send ripples through the agency, setting a precedent for how other national parks are managed. In order to reap the revenue from a proposed 3 percent sales tax at the Wahweap and Antelope Point marinas and other concessionaires within the park, the city of Page, Ariz., wants to annex 21,000 acres of Glen Canyon National Recreation Area and the Glen...