SONIA ELKS BRITISH author J.K. Rowling has said she will return a prestigious human rights award after the organisation that bestowed the prize criticised her posts on transgender rights. The Robert F. Kennedy Human Rights organisation gave the "Harry Potter" writer a Ripple of Hope award last year for her work to protect children's rights by highlighting abuse in the orphanage system. But this month Kerry Kennedy, daughter of Robert Kennedy and president of the U.S. organisation, criticised the author for "transphobic" online posts which she said served to undermine an already vulnerable group. "J.K. Rowling's attacks upon the transgender community are…