Any other Democrats anxious about Hillary?

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Secondly, her negatives are deep. The people who dislike her really dislike her. Her positives, on the other hand, are not so deep. Besides a few people such as IceSpear, myself, and maybe a couple others, not many people will passionately defend her, but there are a lot of lukewarm supporters. I think this is a negative dynamic, because the more people research her, the more general opinion will be driven by those with strong opinions. I don't think many of the people who hate her can be convinced to stop hating her, but she's going to have to gin up her positives and get a critical mass of more than just lukewarm supporters. Yech.

There are quite a few people who really like her.  About half of the Democratic party is firmly on her side if the 2008 primaries are any indication.

[Mehmentum]

Yeah, all the way since 2007 already.

I have a feeling she will start strong (leading the polls now), then collapse towards the end of the actual GE campaign due to all the skeletons that Republicans will bring up (of which she has plenty).

Then, when she's starting to be down in the polls (around the time of the debates), the only thing left for her will be to shed a few tears - like she did ahead of the NH primary - to eek out a small win.

Wouldn't any skeletons have come out in the 2008 primary, or in the last few years in which Republicans have desperately been trying to take her down?

Its not like she's being plucked from obscurity.  She's been in the public spotlight, either as first lady, senator, presidential candidate, or secretary of state for over 2 decades now.