Weed strains: Marijuana marketing - spin or science?

Here to note, right at the end, the scholarly looking Chinese guy earnestly proposing to grow stacks of marijuana plants--that's one of the ways, Sirs, that Interstellar Space Travel can happen (or begin to happen): Making Surrogate Planets. Not saying that that would solve our logistics problems--but  it is an essential part of our getting back and forth across immense distances, conveniently and well within the lifetimes (or Bio-zones of the lifetimes) of the Travelers. Odd that a notion so Germinal should emerge so  early (as if it were eager to be born) in Weed History. ¿Was the demon dick nixon right about the psycho-active power and the physical significance of Weed? No wonder he feared it.