On national security generally, Democrats would ratchet up even further their opposition to almost every tool we use to prosecute the war.
On Iraq, if you concede that conditions there are discouraging, you still -- as a responsible voter -- must ask yourself what Democrats would do differently -- unless you are just too angry to care. Democrats are irreversibly committed to the myth that Iraq is not part of the war on terror -- never mind that all global jihadists themselves radically disagree.
This commitment requires Democrats to deny the consequences our precipitous withdrawal would necessarily have on the war on terror -- and thus on America's security. The April 2006 NIE report concludes that our withdrawal from Iraq would embolden terrorists and make us more vulnerable at home. Other experts who Democrats are fond of citing, like James Baker, also warn that it would create worse civil and ethnic strife and cause Iraq to become more of a hotbed for terrorist mischief. But, hey, reversing Bush's policy and discrediting him must take priority over the national interest.
Not only would the Democrats' Bush-hating and policy-bankruptcy be demonstrated in their approach to the issues; it would also play out in their endless investigations against the president and possible efforts to impeach him upon taking control.
Don't discount the possibility that all this hype about conservatives staying home is a carefully orchestrated ruse to suppress their turnout. Even if it isn't, the liberals' arrogance and premature boasting will surely motivate to the polls all but those rare, implacable conservatives, because even disgruntled conservatives know we can't afford to teach big-spending Republicans a lesson in the middle of a war.
Consider also that Republicans are better organized and funded and possess more intensity, that many polls have oversampled Democrats and that as the election approaches, voters will more seriously compare the parties' respective fitness to protect America. Democrats better not bet their farms just yet.