Could Helium-3 really solve Earth's energy problems?

If you watched the movie Moon, you remember Helium-3 as the substance Sam Bell was sending back to Earth, during his onerous three year tenure on the Sarang lunar base. Helium-3 is not a piece of science fiction, but an isotope of helium that really could provide for all of our energy needs in the future. With… » 5/11/12 2:40pm 5/11/12 2:40pm