In an ideal world, policies would be evidence based - but governments are made of humans, who have positions and ideologies and moral bases.
In this podcast Anthony Painter, from the RSA will be talking about why universal basic income may work, but who’s proponents cross ideological barriers, and writer and philosopher AC Grayling explains how economic arguments become moral crusades.
A universal basic income: the answer to poverty, insecurity, and health inequality?
http://www.bmj.com/content/355/bmj.i6473
Morality and non-medical drug use
http://www.bmj.com/content/355/bmj.i5850