Google Ad Issues

This is just a link to a comment I posted in a Blogger help forum. I am getting a little depressed about the lack of response to my original post, so I thought mentioning the problem here as well might increase--maybe even double--my (minute) chance of a rapid response.

Also, maybe this is a very common problem. If you have a solution, or would like more information, please comment on this post.

Here's the text of my query:

My Google Adsense banners appeared on my blog for months, but all of
the sudden they're gone:

http://ivoter.blogspot.com

Everything on the 'Edit Layout' section looks right, nothing seems to have changed. There was one ad above the blog posts, and one midway down the right side.