The year 2013 will see both a new Archbishop of Canterbury and a new Chief Rabbi installed in office. In this special edition of 'Sunday' on religious leadership - Rev Jesse Jackson reflects on Dr Martin Luther King, Jr's speech 'I have a dream' 50 years on. Edward Stourton talks to Rabbi Mirvis, who has been appointed the new Chief Rabbi, about his hopes and challenges ahead. John Laurenson reports on Chancellor Angela Merkel's decision to speak publically about her faith - but was this a wise move? Edward Stourton talks to Mark Littlewood, Director General of the Institute for Economic Affairs and former head of Media for the Liberal Democrats, about the relationship between faith and political leaders. And what personality type makes the best religious leader? Imam Ajmal Masroor, Rabbi Laura janner Klausner and Bishop Robert Paterson take the abridged Myers Briggs personality test to see if they have what it takes to be a good religious leader.