brussels european union say thursday make position climate change clear engage last-minute lobby trump administration keep unite state aboard paris climate accord u.s. president donald trump due announce late thursday quit global climate deal group seven summit italy friday saturday reveal clear split trump leaders honor 2015 agreement think need contact since ... world leaders together two days summit idyllic place commission spokesman say refer venue taormina sicily debate well know position europe well know .... die cast say eu official say trump appear persuade merit paris accord deem unlikely would change course know unpredictable official say 'die cast eu refrain late appeal trump climate