Which family does the writer particularly discussed about their political activities in his book Dark Money?
Dark Money (book):  Mayer particularly discusses the Koch family and their political activities, along with Richard Mellon Scaife and John M. Olin who funded the American Legislative Exchange Council (ALEC), and the DeVos and Coors families. Political activities of the Koch brothers: The political activities of the Koch brothers include the financial and political influence of Charles G. and David H. Koch on United States politics.
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