Since it first declared independence six decades ago, Israel has endured constant threats to its existence. Though the Palestinian conflict continues to hold the world's attention, it is in fact only one of the nation's long-term concerns. Aside from terrorists seeking to destroy it, Israel must contend with tensions between secular and religious Jews, the demographic challenges posed by a quickly growing Arab population, internal political divisions, and disputes over the water sources that are critical to its survival. In the face of these many challenges, the country's future can seem precarious indeed.