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The questions Congress wants to ask Facebook
Illustration: Rebecca Zisser / Axios

Facebook is expected to face its toughest test on Capitol Hill in years when it testifies before committees investigating Russian attempts to influence the 2016 election in the coming months. Here are some of the key questions its as-yet-unnamed representative will face, based on conversations with lawmakers and other sources on Capitol Hill.

Why it matters: The pressure is greater than any other moment in the company's recent history. Facebook COO Sheryl Sandberg held a series of private meetings with top lawmakers yesterday, and this morning she'll answer questions from Mike Allen in an interview that will be streamed on Axios' Facebook page and website at 9 a.m. ET.