In a good posting, Steve Shaviro takes overly aggressive Democrats to task for their misogynistic attacks on Sarah Palin. I had noticed this too, and I'm glad other people are pointing it out. But Steve also makes the point there that Palin is a much stronger candidate than she's been given credit for being:
...at this point, Sarah Palin is more a Sarah Connor than she is a Harriet Miers or Tom Eagleton.
I knew about Harriet Myers and Tom Eagleton, both past failures at pre-nomination vetting. But it took me a while to place Sarah Connor. Of course! The gun-toting (future) mother from the Terminator movies.
I was looking for a picture of an armed Sarah Palin to make the point. This is the best I could find: