07/21/2009
https://www.congress.gov...
"Dr. Weiler, you are facing a shortfall in supply of plutonium 238."
"Can you provide us with a status report on the compliance with these requirements?"
"How about the Summer of Innovation that was a pilot in 2010?"
"the speedy restart of domestic production of plutonium-238 is important to maintaining U.S. leadership in planetary science."