As if you had to be reminded

But I'll do it anyway.

The dirty secret of American “democracy” is that neither major political party wants elections to be truly democratic and free. Instead, they want a system that predictably produces victories for their corporate money-soaked candidates.

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Many of the liberals who complained about voter suppression in 2004 were also the same people who spent millions of dollars and thousands of hours to make sure that Ralph Nader would not appear on ballots across the country.

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The Democrats’ sorry performance throughout Election 2004 should show just how wrong is anyone who thinks that a party named after democracy would actually be interested in it.
  Socialist Worker article

Couldn't have said it better.

THE GREAT open secret of American political stability is the way the two-party system works to insulate the ruling class from the consequences of its disastrous policies. When one party dedicated to carrying out the big business and imperial agenda falls out of favor with the voters, there’s always the other one, waiting in the wings with predictable policies, ready to take over. In this way, American voters get to "throw the bums out," while at the same time replacing them with other bums who will carry out nearly identical policies.

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One of the rhetorical arguments made by both parties is that we don’t want any "rogue nations" getting weapons of mass destruction because they might sell them to "terrorists." Bush used this argument against Iraq. And despite the fact that Bush’s case has been proven false beyond a shadow of a doubt, neither he nor Kerry nor any other mainstream politician is backing away from asserting the United States’ unilateral right to preempt other so-called rogue nations like Syria or Iran from obtaining weapons of mass destruction (WMDs). There’s no difference between the parties on this.
  ISR article

And let me stop right there to once again say, in light of that stance by both parties, why are we avoiding dealing with A.Q. Khan?