What is the best way to handle things when a company you have been buying from for twenty some years decides not to be a member of the Fair Trade Federation any longer?

(1) This is a tough one- I think this is where you need to use your best judgment and do some research on why they left? We carried products from non-FTF members but rarely from ones that were but let their membership lapse for one reason or another. Do your homework, have a discussion with them and use your best judgment.