With U.S. Senator Kamala Harris as the Democrats’ choice for vice presidential nominee, the challenges faced by female political candidates are back in the news again. This year is the 100th anniversary of women winning the right to vote in the United States, but true equality for women remains elusive in politics, business and many other areas. Alice Eagly, PhD, an emeritus professor of psychology at Northwestern University, discusses her research on the psychology of gender, including sex differences and similarities in leadership and how the public’s views on women in leadership roles have changed over time.