1. In the light of the test of economic harm to the right holder set out in TRIPS Article 13, how does the USA justify the exception in Title 17, Section 110(3), which says that it is not a copyright infringement to make an unauthorized public performance of a nondramatic literary or musical work or a dramatico musical work of a religious nature, or display of a work, in the course of services at a place of worship or other religious assembly?