It was a while ago. it really struck me funny at the time. I will see if i can find the video.
Ah. here it is!
http://www.bing.com/videos/search?q=hank+johnson+helium+video&FORM=VIRE1#view=detail&mid=5CF3E1CA03EBBEB48ADE5CF3E1CA03EBBEB48ADE
No helium?
No balloons?
Oops, there goes another rubber tree plant!
Interesting.