DALLAS--(BUSINESS WIRE)--AT&T1 (NYSE:T) has closed its US$2.5 billion acquisition of Mexican wireless provider Iusacell from Grupo Salinas. AT&T acquired all of Iusacell’s wireless properties, including licenses, network assets, retail stores and approximately 9.2 million subscribers. The Iusacell wireless network currently covers about 70 percent of Mexico’s approximately 120 million citizens. “The quick approval of this deal is one more example of why Mexico is an attractive place to