Speed up, urges Dr. Jeffrey Sachs.
Slow down, advises Dr. Jeffrey Sachs.
A small army of Americans is rushing to help the Russian economy. Some are samaritans; some are charlatans. Many are looking to make a quick buck; others are searching for adventure. There are even two people named Dr. Jeffrey Sachs. Harvard's Jeffrey D. Sachs, 37, is better known. But there is also Jeffrey A. Sachs, 38, a dentist who was once a social-policy adviser to New York Governors Hugh Carey and Mario Cuomo. Jeffrey A. runs Ecolink, a New York City-based project that is trying to show the Russians...