Our next featured speaker is poet and playwright Lemn Sissay as he tells his own moving story. He answers this burning question: Why do many parentless children feel compelled to hide their pasts? As literature has long been fascinated with fostered, adopted and orphaned children, from Moses to Cinderella to Oliver Twist to Harry Potter this brilliant speaker has a way with words …(Filmed at TEDxHousesofParliament.)