Boeing's Laser Gun Shoots Down Drone
01:58Boeing's Compact Laser Weapon System successfully tracked and disabled a moving unmanned aerial vehicle during a field test in California.
Harris speaks for first time after announcing run for president
04:27President Trump lays wreath at MLK memorial statue
01:33Taunted Native American: 'Who teaches our children that?'
02:08Alexandria Ocasio-Cortez: We need to 'fight for an America where all people are welcome'
02:5784 Migrants rush through the U.S. border
00:47Crowds across the country gather for third annual Women’s March
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