your boss, president barack obama unfailed what he called a moon shot for cancer, what is that and how do you fund it, and how does it work. >> well, he unveiled it, and assigned the job of control to the vice president, joe biden, who has gotten passionate and involved in the effort, especially after the death of his son last year of a brain tumor. i guess people heard this and said that's exciting and wondered what is it? i'm happy to say that just this past monday, the new england journal of medicine, the director of the cancer institute, brother an essay about this, so people can read what we're talking about. but it's still in the process of having a scientific plan laid out. why is this an especially important time to tackle cancer? one. areas which people are most excited about, is immune therapy. we understand the immune system is out there all the time looking for trouble, looking for invading pathogens, but looking for your own cells that have gone bad. and a cancer has properties that immune systems ought to be able to go after, but they don't always. there are dramatic exam