Terry Franklin on marijuana legalization in Massachusetts; Ann-Marie Caulker, human rights activist, on female genital mutilation in west Africa and her amazing school for girls. DONATE HERE
Italy's highest court has overturned the murder conviction against Amanda Knox, bringing to a definitive end the high-profile case.
Six world powers and Iran move closer to a deal, but there are still major disagreements.
A look at some of the week's biggest headlines and the stories you may have missed.
Celebrities call for an Indiana boycott after the passing of a controversial law that could lead to discrimination against gay couples.