There are two vastly different ways to buy a sari, probably more, but as foreigners in Singapore, there are two: In a posh store where the silk is diaphanous and the dollars several hundred; or at the covered market where the selection is vast and the prices less voracious. My daughter and I know exactly where we have to go. We take a short cab ride from our hotel in downtown and jump out at a recently rained on street corner dotted with steamed up bus shelters and general ma