By Ségolène Poirier, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Barra da Tijuca is well-known for having one of the longest stretches of beach in Brazil (20 km) as well as generally less expensive and more spacious living than in Rio's Zona Sul (South Zone). Barra, as it is popularly called, is also a cultural and economic center of Rio's Zona Oeste (West Zone) home to many expatriates in Rio including Mateen Thobani, a retired Pakistani economist . . .