The $21 trillion alone is the amount of the US and Japanese economies combined.
These are the people Mitt represents and he's just like them! They feed off the middle class and then run and hide. These are an elite class of predators that would destroy this country in order to protect there self interests.
read more; http://truth-out.org/news/item/10710-super-rich-holding-21-trillion-overseas-to-avoid-taxation