TUCSON, Ariz. - Two weeks on the job, the new head of U.S. Customs and Border Protection said Tuesday he does not favor building a huge wall along the Mexican border. "I don't support, I don't believe the administration supports a wall," Commissioner W. Ralph Basham said in Tucson, where he met with patrol officials and agents before embarking on a tour across the Arizona desert. Asked about proposals in Senate- and House-approved immigration measures to build security walls 380 or 700 miles long, respectively, Basham said, "It doesn't make sense, it's not practical." As Arizona Gov. Janet Napolitano put...