A huge El Nino is spreading mayhem worldwide

Washington

IT has choked Singapore with smoke, triggered Pacific typhoons and left Vietnamese coffee growers staring nervously at dwindling reservoirs. In Africa, cocoa farmers are blaming it for bad harvests, and in the Americas, it has Argentines bracing for lower milk production and Californians believing that rain is finally, mercifully on the way.

El Nino is back and in a big way.

Its effects are just beginning in much of the world - for the most part, it hasn't really reached North America - and yet it's alrea…