Facebook Faces Tough Questions in Britain That It Avoided in the U.S

> Mr. Collins’ profile has grown along with the Cambridge Analytica scandal. His committee questioned the company’s chief executive, Alexander Nix, weeks before news broke about its practices. The panel has published audio records in which an executive tied to Cambridge Analytica discusses how the Trump campaign used techniques used by the Nazis to target voters. A webcast of the committee’s hearing with the former Cambridge Analytica researcher Christopher Wylie was so popular it nearly took down Parliament’s website, Mr. Collins said.