If you visit this page and shrink your browser window, you will see my problem. [If you want to open the page in a new window, just hold down shift when you click the link.]
The answers to the question extend beyond the page margin instead of wrapping.
I have spent the last half hour working with Chrome's Inspector and Firefox's DOM inspector - all to no avail. I just cannot figure out why it's doing this.
Update: Here is a screenshot of http://stackmobile.com/view_question.php?site=stackoverflow&id=3058417