Trump Lawyer Michael Cohen Grilled on Russia Tower Deal
https://www.nbcnews.com/.../hill-committees-focus-russia-tower-deal-cohen-interview...
Oct 27, 2017 - Congressional investigators grilled President Trump's personal attorney ... Long-time Trump ally Michael Cohen's appearances before the House and Senate ...

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Lying to congress is a felony, whether you're under oath or not.
https://news.ycombinator.com/item?id=16814544
Lying to congress is a felony, whether you're under oath or not. It's the same statute that people plead guilty to for lying to the FBI, 18 USC 1001 [1].