Cape Town's water crisis, rebels make a last stand in Ghouta, and the quest for a non-gendered AI

It's now been confirmed that Kim Jong-un recently traveled to Beijing and back — in secret — onboard a bulletproof train reportedly full of bodyguards and wine. Plus, we start a three-part series from Cape Town, South Africa, on the recent water crisis. And we hear from an engineer who wants to make artificial intelligence that's neither male nor female — or even remotely human.