Pray the Devil Back to Hell is a new documentary about how the woman of Liberia came together to end their country's long and bloody civil war. In 2002, Christian and Muslim women formed an alliance to demand peace; armed only with matching white t-shirts, the activists staged silent protests and organized a summit between their president and warlord rebels, physically refusing to allow delegates to leave until an agreement had been reached. In the clip above, the women discuss one of their other effective tactics, holding a sex strike until a cease-fire was declared. The film won the award for best documentary at the Tribeca Film Festival and opens today in New York. Release dates for other cities and additional clips are on the film's website .