By Amy Skalmusky, Contributing Reporter
RIO DE JANEIRO, BRAZIL - It's no secret that some items cost significantly more to buy in Brazil then they do in the U.S. or Europe. In some cases it's even less expensive to fly home to buy items to bring back, then purchase here. There are many global trade issues at play, and the recent stand-off over cotton is an example of how government subsidization, import tariffs and taxes play a . . .