Trump Orders 1,500 More Troops to US–Mexico Border; Teen Opens Fire in Nashville High School: Police

President Donald Trump is dispatching an additional 1,500 active-duty troops to the southern border. The move comes two days after he signed a slew of executive orders aimed at cracking down on illegal immigration. Police say a 17-year-old male student opened fire in the cafeteria of a Nashville high school around 11 a.m. local...