LONDON (AP) — A charity co-founded by Prince Harry in Africa to honor his late mother, Princess Diana, has sued him for defamation after he stepped down as a patron last year. Sentebale, which supports young people living with HIV in Botswana and Lesotho, filed suit last month in London’s High Court, according to court records viewed Friday. Online filings show Harry and his friend, Mark Dyer, a former trustee at the charity, are being sued for either libel or slander. No documents were a...