Complex sentence: Fukuyama outlines his rationale for supporting the Bush administration and highlights the controversies that surround neoconservatism, suggesting that it has evolved into something he can no longer support.
Split into simpler sentences: Fukuyama outlines his rationale for supporting the Bush administration, as well as where he believes it has gone wrong. He highlights the controversies that surround neoconservatism, describing how it has evolved into something he can no longer support.