They’re at it again! Cardinal Christoph Schönborn of Vienna has referred to an “unrestricted” right (“Call to maintain refugee outreach”, The Church in the World, 21 November). The previous week the pro-life activist Cora Sherlock spoke of “authentic” human rights.Where has this idea that rights can be qualified come from? Is there a hierarchy of rights? Who decides? Since the concept of “rights” is invoked so frequently by so many to v