"But here in US, Gleevec is already going generic."
Then that is what the author should have pointed out. Very different from just saying that drugs should all cost 5 cents.
So what legally prevents Columbia from invoking their own "Hatch-Waxman Act", if anything? Are they in legal rights to do so, but the stopper is just the bullying by the US? Is there a good reason for any legal constraint that applies to them but not to the US?
Thanks for helping to connect the dots. The big picture is always very important which is why the external NWBO investigation is probably still on the tip of a very big iceberg. Best wishes.