By Hari Kishan BENGALURU (Reuters) – The global economy is approaching a recession as economists polled by Reuters once again cut growth forecasts for key economies while central banks keep raising interest rates to bring down persistently-high inflation. One bright spot is that most major economies already in a recession or heading into one are starting with relatively low unemployment compared with previous downturns. Indeed the latest poll expects the smallest gap between growth rates and joblessness in at least four decades. But while that might deaden the intensity of recessions – most re…