Here (Belgium) it has been legal for 14 years now. Anybody who suffers (even psychological) has the right to decide between life or death. There are some rules (number of doctors, free will, unbearable suffering, ...) you need to follow.
The public support for euthanasia is also overwhelming. The only parties against are mostly the catholic church but their influence is nil as we have a clear separation of church and state.
That US and their silly ideas. What are they gonna do? Shoot you for wanting euthanasia?
Also, he's from Belgium. Also, at this point, it's more of a peaceful way to leave than the agony of letting cancer do it slowly and painfully from within your body.