Mark S. Zaid @MarkSZaidEsq
@brianstelter @jonathanvswan That's such an irrelevant comment. It has been routine practice for decades (maybe more) for Congress to bring in expert witnesses to testify before Committees to educate them. Indeed, @VicToensing & I testified as expert witnesses together in 2007. https://t.co/jVlOnUhXJw — PolitiTweet.org