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Trump era a trying time for Facebook's top 2 executives
Zuckerberg elevated several executives, isolating Sandberg in the process
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NEW YORK • Facebook's chief operating officer Sheryl Sandberg knew she would be asked about the attacks on the Capitol building in Washington in January.
For the past week, the United States had been reeling from the violence in Washington, and with each passing day, reporters were uncovering more of the footprint left behind by the rioters on social media.

