J. Goodrich in The American Prospect [free registration may be required]:
Studies that appear to support traditional roles for women get picked up and popularized, while more nuanced research just can't seem to generate buzz.
Caryl Rivers, author of Selling Anxiety: How the News Media Scare Women,, at AlterNet:
Media perpetuate women's fears of being a bad mother.
Thanks to PTDR for the pointers.