His military interventions were mostly limited and successful; if anything, he didn't intervene enough (e.g. Rwanda or going after bin Laden). The only reason you'd have to criticize him is if you have some ideological opposition to military intervention that ignores reality.
^This. For that matter, liberals didn't oppose the Iraq War because the President ordering it was a Republican but because it was unjustified and handled poorly; hence why they mostly supported the war in Afghanistan or the elder Bush's First Persian Gulf War.
