When Barack Obama praised the writings of philosopher theologian Reinhold Niebuhr in the run up to the 2008 US Presidential Elections, he joined a long line of top politicians who closely engaged with Niebuhr's ideas, including Tony Benn, Jimmy Carter, Martin Luther King Jr. and Dennis Healey.
Beginning with his early ministry amongst industrial workers in early twentieth century Detroit, Niebuhr displayed a passionate commitment to social justice that infused his life's work. Rigorously championing 'Christian Realism' he sought a practically orientated intellectual engagement with the...