The idea is that current generations should not impose a burden of debt on their successors.
But it was also true that Americans enjoyed the type of economic security that current generations can only dream of.
The memorial cannot be sunshine-and-light therapy to make current generations feel they have moved beyond grief and shock.
"It will require exploring possibilities for realising 'negative' emissions as well as profound lifestyle changes of current generations".
These will be susceptible to exactly the same sorts of contamination that plague the current generations of kilogram.
There are, however, ways to deal with this problem, even if current generations seem much less aware of the threat of inflation than our parents and grandparents were.
Moreover, as Sunstein points out, the question of "whether the original understanding of an old text should bind current generations is not at all simple".
Through clever storytelling, it has been possible to shrink time and space, to take current generations back into the past in a way that engages, instructs and provokes.
By contrast, current generations seemingly prefer feel-good nuggets of advice from ubiquitous vlogger Zoella, or the "me too" inclusivity of Mumsnet.
Almost everyone acknowleges that Social Security, which was created in 1938 to serve a very different economy, will not be adequate to care for current generations in retirement.
