Growing produce to sell half way around the world that they can grow there is just silly business sense. If that is the best plan you can come up with you deserve to starve.

Now if the kenyan wants to sell me coffee instead of beans that I can grow myself.. well then good on him. I'm going to buy his coffee beans because I can't grown coffee myself or even buy locally grown coffee.. and i'm physically and mentally addicted to coffee.

when it comes to produce the buy local vs trade issue is largely one of behavior at times. People are accustomed to buying their produce in the supermarket where the large amounts of produce they buy makes shipping produce in from far away viable and profitable. The truth of the matter though is that the local farmers market has the same produce for often less money. It's just a matter of behavior and convenience. At other times, during the winter, it is one of availability.. after the first frost a lot of people would be stuck eating nothing but meat all winter.