David Kestenbaum is a correspondent for NPR, covering science, energy issues and, most recently, the global economy for NPR's multimedia project Planet Money. David has been a science correspondent for NPR since 1999. He came to journalism the usual way — by getting a Ph.D. in physics first.
City officials assured residents on Monday that the water was safe to drink throughout the day, but added that they were still testing to see whether the water supply was tainted.