Yesterday I wrote to DNI @RichardGrenell requesting the names of those who were involved in Gen Flynn’s unmasking. Today I received the shocking reply that @JoeBiden and many others knew! What did President Obama know? I am inviting DNI Grenell to testify next week in the Senate pic.twitter.com/IHpGjeVWwM

— Rand Paul (@RandPaul) May 13, 2020