It's time I went to my favorite shopping district, Manhattan's Chinatown, and picked up some "donta" (Chinese egg custard), fresh seafood, and roast duck for my family. But going there could potentially kill us all. Since I don't live in China, Hanoi, Toronto or Singapore, I may sound paranoid. And yet, I'll take that chance. The majority of Chinatown's inhabitants hail from China's Guangdong Province, which is Ground Zero for "SARS" – Severe Acute Respiratory Syndrome, often erroneously described as "pneumonia" or "atypical pneumonia." Illegal Chinese immigrants constantly arrive in Chinatown, largely from Guangdong Province. People also constantly travel...