4.0 Magnitude Quake Rattles San Francisco

By Mark Memmott

Published March 5, 2012 at 8:45 AM EST

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Mark Memmott

Mark Memmott is NPR's supervising senior editor for Standards & Practices. In that role, he's a resource for NPR's journalists – helping them raise the right questions as they do their work and uphold the organization's standards.

See stories by Mark Memmott