How a family visit to Israel turned Andrey Khrzhanovskiy into a full-time activist documenting violence in the West Bank Andrey Khrzhanovskiy, 28, is better known to his hundreds of thousands of followers as Andrey X. [Photo Credit: Moti Milrod] After two weeks of nonviolent protests by the schoolchildren of Umm al-Khair, the kiddie YouTube star Ms. Rachel shared a series of photos from the West Bank village. "I just had a two-hour call with the children of Umm al-Khair," she wrote, adding...