In the hypothetical debates about the Republican primaries last semester at school, I supported Romney. My argument was, basically, he's probably harmless compared to the other candidates. Jay Smooth nails it in this video when he explains that Mitt Romney is scary, not because he's got radical, strongly held opinions, but because he's got no strongly held opinions, and will just let the politics of those around him filter through him and into policy.
The thing that worries me most about this is that we do seem to have reached a point, in our governmental dialogue, when one party needs to use Trojan Horse tactics to get its policies past the general populace. Mitt Romney is that Trojan Horse, and there are a whole bunch of Greek warriors waiting inside him to kill us in our sleep.[1. I am very tired. I am not confident that metaphor works.]
The solution I'd love to see: Dramatic changes to our democratic system. I'm not saying we should do away with Democracy[2. I'm not in love with it, but I don't think anyone's come up with a better system yet.] but the mechanisms by which we run our Democratic Republic are several hundred years outdated.
For a start, here's a CGPGrey video about Alternative Voting, which would do a great deal towards dissolving the two-party dichotomy problem we have: