Tips for Zuck: How to emerge from a congressional hearing unscathed

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Public relations experts who have experience grooming CEOs for congressional testimony have pointers for Mark Zuckerberg as he prepares to face lawmakers over Facebook's data controversy, AP reports.

Why it matters: "CEOs testifying in Washington have lost jobs, faced perjury investigations and otherwise endured public humiliation. It’s not comfortable for anyone in a position of power to essentially kowtow to Congress in a televised setting," AP writes.