[Obamageddon]

Here's a six foot fence:

http://www.youtube.com/watch?v=CIM4vnCxw3I

[pepperhead]

Cool video, too bad the camera was held sideways. ;)

That dog took that 6ft fence like the dog that was jumping the fence at my local dog park. I am guessing that dog can take a 4 ft. with ease.