(Business Insider) In the mid-1970s, a young Democratic senator from Delaware and self-declared liberal who would one day serve as the vice president to the first black president in US history emerged as one of the most vocal opponents of a main force in the integration in America's schools.
Former Vice President Joe Biden, 76, was once at the forefront of a movement against busing students in order to desegregate schools - even battling against Republican Sen. Ed Brooke, the only black senator at the time, over the issue - while he paid lip service to the desegregation movement.
Biden's record on racial justice has become a liability for the former vice president as he joins a crowded, diverse field of candidates vying for the 2020 Democratic nomination. His controversial campaign against busing - the practice of bringing white and black students out of their neighborhoods in order to integrate schools - could haunt him along the campaign trail.
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