Where on the Meter with Congress is rBST?

  No, we shouldn't ban an item just because everyone else does, but we sure ought to wonder about the item, and, yes, we ought to see if there is reason.
  So, if the artificial growth hormone known as rBST, which is fed to dairy cows, has been banned in Canada, Australia, New Zealand, Japan, Israel and the European Union since 2000, well, we ought to wonder why the U.S. Congress doesn't consider its own ban.
   The rBST opposition says the artificial growth hormone is responsible for many a health woe.
   So, why is it we never hear a drum beating for Congress to take action on rBST? Why is it we don't hear about rBST even being considered by Congress? Perhaps there have been bills. Perhaps I just haven't been in tune enough to hear about them.