Bill Foster actually said...

the image of Representative Perlmutter sitting alone at the witness stand with a smile like the cat that just ate the canary is an image tha...

I would also like to thank Representative Perlmutter, Representative Heck, and the other bill sponsors for their long work on this issue.

I think it is--that for a long time has been one of our most effective tools.

If you are looking at methods for distinguishing tungsten from gold, you could look at low-frequency or medium-range gammas and x-rays.