It’s been two years this week since 17-year-old high school student Trayvon Martin was shot to death in Sanford, Fla.

From Wendy Davis to Michelle Nunn, some of 2014’s most pivotal races will have women at the center. Learn more about them here.

Thousands gathered at the National Mall Saturday to commemorate the 50th anniversary of the March on Washington. Speakers including Martin Luther King III and