By Vania Maciel, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Besides the glitz and the glamor, samba is a serious business and as the end of the year approaches, the city's samba schools are getting into full gear with preparations for the epic parade contested every Carnival. Rehearsals have already begun in earnest at their respective samba courts or quadras and this month many are deciding which Samba-enredo (theme tune) is going to be sung . . .