As Israel's war with Hamas has intensified, mob violence between Arabs and Jews within the country has made a tricky situation even more difficult. Is the rising price of everything from airline tickets to used cars in America a transitory phenomenon or a sign of overheating? And is pineapple and ham on pizza an inspired combination—or a culinary war crime? 

For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer