Dumbledore showed Harry the complete Lost Prophecy. We learn that Neville could also have been the Chosen One. Dumbledore tells us this, and then insists it could only have been Harry. Why mention it then, in the first place?
Black Curtain Screenings is holding a promotional screening of "Harry Potter and the Order of the Phoenix" two weeks before the US domestic release, on 28 June 2007 (tomorrow) in eight US cities.