CANDU reactors don’t make Pu out of the natural U we use as we break down to daughter elements. That being said, two things:
We have lots of U. Enrichment is new to us, but we would be technically capable of starting. U bombs are possible, but not preferred for various reasons.
If India can get Pu from a CIRUS (which was basically a NRX), we could develop nuclear weapon fuel here.
CANDU reactors don’t make Pu out of the natural U we use as we break down to daughter elements. That being said, two things: