Has the US entered its late Soviet phase? The country is a gerontocracy led by ailing leaders and with a crisis of confidence in its dominant ideology; it is a flailing superpower suffering foreign humiliation (not least in Afghanistan); and its economic system struggles to meet the needs of many of its people. The similarities are a little uncanny. There are, of course, clear differences too. The US is a democracy, albeit one severely compromised by wealthy vested interests and concerted rightwing efforts to weaken voting rights, and it is a racially diverse union of states, rather than an unstable...