Every day, U.S. doctors perform more than 50,000 state-of-the-art procedures using a radioactive isotope called technetium-99. … Most patients take for granted their ability to undergo these procedures. But they might be surprised to learn that nuclear medicine in the United States is dependent on one 52-year-old, leak-prone nuclear reactor that is currently offline, should have been shut down for safety reasons a decade ago, and moreover, undermines international nuclear nonproliferation goals.
You know where this is going:
How did we get into this predicament? In short: Blame Canada.
I remember back when we were so far under their radar: