The risk is that failure to agree on a new wave of openness during a period (the past two years) in which the world economy has been growing at its fastest for three decades, with more countries sharing in that growth than ever before, will set a sour political note for what may well be tougher times ahead.

ECONOMIST: Trade and poverty

Studies of weather-related mortality have found that with heat-related deaths there tends to be a significant level of death "displacement" - put bluntly those who were likely to die anyway simply died sooner, so the period after a heat wave tends to see fewer than average deaths.

BBC: How cold turns up the heat on health

The average wave power measured off Lewis over a one year period, October 2011 to Sept 2012, was 75.5 kilowatts per metre.

BBC: Could big waves be big news for the Western Isles?

James, 61, and Owen Roe McDermott, 52, were two of four brothers involved in what a judge described as a "tidal wave of abuse" stretching back over a 30-year period.

BBC: Unison warns Donagh rows causing evidence difficulties

The sharp polarization, combined with fear, between left and right that was a legacy of the fascist period of Mussolini from 1917 to 1943, returned first in the form of a huge wave of strikes in the late 1960s and early 1970s, and then in a deadly form of political violence.

CNN: , Special to

The first wave of these independent treatment centres will provide around 170, 000 procedures a year over a five-year period.

ECONOMIST: The threat of competition is what matters