By Gregory Scruggs, Contributing Reporter
RIO DE JANEIRO, BRAZIL - At 6AM on a Monday morning, while most are enjoying their last hour of sleep before the weekday begins, Rogerio Rodrigues is on the sidewalk that straddles the Praia de São Conrado even before the traffic begins to choke Avenida Niemeyer as it winds its way into Leblon. He is coaching Carlson Barros through a series of animal walks and crawls – the jacaré (alligator), siri (crab . . .