Some of those officials already testified last month before the Senate Intelligence Committee.
Next week he will testify before the Senate Banking Committee.
Her referrals eventually became public knowledge, and she testified before the Senate Whitewater Committee in 1994.
Last week, six of the fired prosecutors testified before the Senate Judiciary Committee.
He has also repeatedly testified before the Senate Foreign Relations Committee.
Eight movie studio executives are scheduled to testify today before the Senate Commerce Committee about their policies.
He has also testified before the Senate Judiciary Committee on the topic of reporter's privilege.
Summoned to Washington, she testified before the Senate Judiciary Committee.
He also testified before the House Select Committee on Intelligence, which reached conclusions similar to his own.
All four testified today on behalf of the bill before the Senate Governmental Affairs Committee.
