When Mark Zuckerberg appears before Congress next week, lawmakers will want to know whether Facebook ["irresponsibly shared user data,"](https://mashable.com/2018/04/04/zuckerberg-says-most-facebook-user-profiles-scarped/) says Michael Nuñez, Deputy Tech Editor at Mashable. But the CEO will be prepped by Washington veterans to field the tough questions, says Axios' Sara Fischer. Zuckerberg will face questioning about the Cambridge Analytica scandal on April 10th and 11th.