By William Jones, Contributing Reporter
RIO DE JANEIRO, BRAZIL – The world famous Carnival in Rio has been in full swing for three days and the fourth and final official day of celebrations looks to be once again full of the free public street parties known as blocos. One of the earliest blocos starts at 9AM in Praça Santos Dummont, Gávea, but if you miss that several others open the day's festivities at 10AM from Santa . . .