FERGUSON, MO – NOVEMBER 25: National Guard troops stand guard outside the City of Ferguson Police Department after violent protests engulfed the area in the wake of a grand jury’s decision not to indict police officer Darren Wilson in the killing of teenager Mike Brown on November 25, 2014 in Ferguson, Missouri. Over 2,000 Missouri national guardsmen are being deployed a day after demonstrators caused extensive damage in Ferguson and surrounding areas. (Photo by Aaron P. Bernstein/Getty Images)

