Princess Charlene says she is looking forward to having children once her foundation is up and running, according to the Sunday World newspaper in South Africa. The former South African swimmer was in Durban last week in connection with her Princess Charlene of Monaco Foundation, as well as to perform matron-of-honour duties at her best friend's wedding on Saturday. In an interview, the princess said children had not been on the radar immediately after her marriage to Prince Albert in 2011…