The President has already tweeted the video about Joe Biden and fracking:
Some context. One of these clips is from a primary debate where Biden misspoke about his position on fracking. His position, as he stated tonight, is that he would ban new gas and oil permits (which includes fracking) only on federal lands. You can read more about that here. It's not exactly clear where the other clips came from.
The clip of Harris is from a the Democratic primary. After she signed on to the Biden ticket, she took his position on the issue. She tweet this when she was asked about it after the vice-president debate:
