7000 combat boots memorialize soldiers at Fort Bragg as US Army veteran connects each shoe with its family membersChicago was the only major U.S. city to lose population from 2015 to 2016Gregg Allman, Southern Rock Pioneer, Dies at 69Defense Sec. Mattis: We Will Surround The "Self-Declared Caliphate Capitol" And Then "Clean Them Out"More Democrats see voter fraud as a problem and ID laws as a solutionHomeland Security head battles immigrant-rights groups