Shirley Chisholm became the first black woman elected to Congress in 1968 after campaigning under the slogan, Unbought and Unbossed, and her political career never swerved from that principle--she was fearless, undaunted, brilliant, and always first and foremost a servant to nobody but the people. When Shirley Chisholm announced her candidacy for the Democratic presidential nomination in 1972, she became the first black candidate for...