how do i fix this

And the problem being…?
The post going “below” the sidebar? Don’t put anything in the content area that is wider (pixelwise) than the width defined in the stylesheet.

Then try to fix the code: quite a record number of errors for one single post 🙂
http://validator.w3.org/check?verbose=1&uri=http%3A//www.choiceblogging.com/