Rio subway line may not be finished before Games

By Rodrigo Viga Gaier RIO DE JANEIRO (Reuters) - The metro line extension that will connect Rio de Janeiro's Olympic Park in Barra de Tijuca with the rest of the city is at risk of not being finished before the Games start in August, if a delayed development bank loan is not disbursed, two senior government sources told Reuters on Monday. The transport link, which was a key bid promise when Rio was chosen to host South America's first Olympics, is vital to transport fans from the tourist hotspot