Venezuela's latest negotiations create cautious optimism

Venezuela’s government and opposition are negotiating again — and this time, analysts say the country may have its best chance in years at a democratic transition. Also, flash floods triggered by an ice avalanche have left hundreds of people missing in Nepal along its border with Tibet. And, 2,000 robots participated in a Humanoid Robotics competition this week in China. Plus, a global tribute to singer Dolly Parton.