‘Eclipse’ star Xavier Samuel, the newest ‘Twilight’ vampire

Robert Pattinson was the breakthrough star of the first Twilight movie. Taylor Lautner was the “it” guy of the sequel New Moon. So will Australian actor Xavier Samuel be the man of the moment in Eclipse, the third chapter of the mega-popular series opening on Wednesday?Playing the evil vampire Riley, partner of sorts to the even more evil Victoria (Bryce Dallas Howard) — who’s out for revenge on