(Jeff Roberson | Associated Press file photo) This Nov. 9, 2017, file photo shows Facebook CEO Mark Zuckerberg meeting with a group of entrepreneurs and innovators during a round-table discussion at Cortex Innovation Community technology hub in St. Louis. Zuckerberg on Wednesday said Facebook will audit thousands of apps in response to the "breach of trust" created by Cambridge Analytica, the chief executive's first comments since a crisis erupted Friday over data siphoned by the political marketing firm used by the Trump campaign.