By Jaylan Boyle, Senior Contributing Reporter
RIO DE JANEIRO - Late last month, fresh from playing a key role in Operation Unified Response, the international humanitarian aid mission to assist Haiti after the disastrous earthquake, the U.S. aircraft carrier USS Carl Vinson made a stopover in Rio de Janeiro. The purpose of the trip was to strengthen bilateral military relations, and a number of U.S. sailors also took part in a series of volunteer exercises in the city.
"We appreciate the strong relationship that has . . .