Page last updated at 05:32 GMT, Sunday, 13 July 2008 06:32 UK Pope Benedict XVI has begun a nine-day visit to Australia, where he is due to apologise for decades of sexual abuse of children by priests. As he began the longest foreign trip of his papacy, he said paedophilia was "incompatible" with being a priest. Australian abuse victims have said they will hold protests during his visit. Climate c