Stormy skies have threatened to overflow the lagoon and the part of this year’s Selection that’s already been screened is stoking an enthusiasm that’s mitigated. It’s near the end of the festival and this 69th edition of the Venice Film Festival is still struggling to gain traction and also get in step with the bold ambitions of its new artistic director, Alberto Barbera. And yet this year’s poster was handsome enough and significant changes have been