PRI’s The World: 4/23/14

The Obama Administration has made a big deal out of shifting America's focus away from Europe, and toward the Pacific. But as the president begins an Asia tour, it's Ukraine and Russia that are hogging the attention. We'll also have a profile of Russia's answer to Facebook's Mark Zuckerberg. And, following the recent deaths of more than a dozen Sherpas on Mount Everest, many Sherpas working at base camp want to cancel the rest of the climbing season.