Here is a very good one from Beth Haller. She has been studying the media and disAbilities within the media for the past 20 years. I am a regular visitor there and encourage you to check her blog
here: Media-Dis-N-Dat.Bloggspot.com
Larry's Bio
If you want to know a little more about me and specifically how I became so passionate about this work and cause - check it out here: Larry's Bio