Peace in Colombia?

Colombian government and FARC rebels to sign new peace agreement and submit it to congress; Washington state youth sue government for failing to protect them from climate change; Christians in northern Iraq seek protection following Islamic State group retreat.

(Photo: People march for peace in Bogota after the Colombian government and the Marxist FARC rebels signed a new and revised peace deal to end 52 years of civil war. Credit: Diana Sanchez / AFP / Getty Images)