Washington, August 11 has locked in the US presidential nomination of former Vice President Biden, 11, nominated U.S. Senator Kamala Harris as his presidential running mate. < / P > < p > Biden announced the decision on social media on the same day, and released the news to supporters through SMS and e-mail at the same time. He praised Harris as a “fighter for small people” and “one of the best public servants” in the United States.