ANGELINA Jolie sees herself as the next Princess Diana, it has been claimed. The actress - a generous benefactor of charities, a human-rights campaigner and a UN goodwill ambassador - apparently wishes to emulate the late former British royal. She thinks she can be a similarly powerful and charismatic figure in global political circles, a source told Ian Halperin, author of Brangelina: The Untold Story Of Brad Pitt And Angelina Jolie. SS