The world’s most important art festival is imploding and Russia and Israel sit at the center of the crisis

By Barbie Latza Nadeau, CNN (CNN) — When the world’s most prestigious international art exhibition, the Venice Biennale, opens next week, it will do so amid a series of crises. It will not receive its customary blessing from Italy’s minister of culture Alessandro Giuili who, along with a growing number of people and organizations, is