In an interview with NBC Bay Area earlier this year, Whitman said he tried to warn OSHA leaders that his managers pressured investigators to close complaints without proper review to clear a backlog of cases. Whitman said his supervisor altered his reports by changing his conclusions and dismissed cases even when Whitman found they had merit. It didn't stop there: Whitman wrote letters to OSHA leadership and to the U.S. Secretary of Labor, Thomas Perez. "I had gone through every conceivable channel and what I saw was inaction," Whitman said. In the end Whitman told NBC Bay Area that he...