An attendee wears a t-shirt that reads "Women's Rights Are Human Rights," before entering the Sam Boyd Stadium during the Women's March One-Year Anniversary: Power To The Polls event in Las Vegas, Nevada, U.S., on Sunday, Jan. 21, 2018. On the anniversary of the Women's March, the Power to the Polls rally aims at a tighter objective, to launch a national voter registration and mobilization tour with a goal to elect more women and progressive candidates to public office. Photographer: Michelle Gustafson/Bloomberg via Getty Images