The state visit of Pope Benedict to Britain will include an audience with the Queen and Prime Minister David Cameron.
But is also promises protests from groups angry over the Vatican's response to clerical sex abuse cases.
Lord Patten is the prime minister's representative for the papal visit and is in charge of organising the four days of events.
Is Britain ready to welcome a conservative Pope?
You can watch the full interview on Monday 6th September 2010 on BBC World News at 0330, 0830, 1530, 2030 GMT and on the BBC News Channel at 0230, 0430 and 2330 BST.