But if the case for free trade is undermined by changes in the global economy, our policies should reflect the new realities.
Both have been undermined by changes in society wrought by digital technologies -- among the most powerful forces ever unleashed by mankind".
Furthermore, recent gains in agricultural commodities may be undermined by climate change.
So by all means let's hear and respond to the cries for help of people whose livelihoods are threatened and whose way of life seems to be undermined by both change and the emergence of difference in lifestyle, in language and, yes, in faith.
Hence, a form of realism that is committed only to the structure of theories might not be undermined by theory change.
Additionally, in settings with high staff turnover, the quality of professional practice and professional culture can be undermined by recurrent change and/or the loss of pedagogical leadership (Whitebook and Ryan 2011; IofM and NRC 2012).
However, the value of protected areas may be undermined by climate change in this region where the rate and magnitude is high, and shifts in vegetation communities and associated wildlife species are already underway.
There is accumulating concern that the future effectiveness of protected areas will be undermined by climate change for the conservation of biodiversity [6], [7], [8], [9] (but see [10]).
"The main reason for the state to be involved with marriage is children," says Prof David Paton, an industrial economics lecturer at the University of Nottingham and a supporter of the Coalition for Marriage, a group arguing that traditional marriage is beneficial to society and would be undermined by a definitional change.
"China model" fans love them because, at least in theory, they commit leaders to an economic strategy that will not be undermined by the chop-and-change policymaking of democracies.
