 Complete the following phrase:  Phoenix has maintained a growth streak in recent years, growing by 24.2 before 2007. This made it the second-fastest-growing metropolitan area in the United States, surpassed only by Las Vegas. In 2008, Squaw Peak, the citys second tallest mountain, was renamed Piestewa Peak after Army Specialist Lori Ann Piestewa, an Arizo and the first Native American woman to die in combat while serving in the U.S. military, as well as being the first American female casualty of the 