John Hopewell Chief International CorrespondentCreative Artists Agency (CAA) has signed João Paulo Miranda Maria, writer-director of “Memory House,” the only Latin American feature chosen for this year’s Cannes Official Selection.In further news, Miranda Maria is preparing two new feature films, one his English-language debut, with Rodrigo Teixeira’s Sao Paulo-based RT Features, producer of Luca Guadagnino’s “Call Me By Your Name,” James Gray’s “Ad Astra” and Karim Aïnouz’s “The Invisible