The first video, below, is the essence of posting on PJMedia. Following that is my response.
I don’t know if this’ll work. If it does, keep in mind from 0:11.0 on Obama video compared to 1:07-1:16 and 1:17-1:40 on the Biden video.
Alternate link should embed, below, fail: http://youtu.be/YKjPI6no5ng