Which of the following United States senators is known for performing a 24-hour long filibuster?

The answer is not Strom Thurmond, but rather Senator Rand Paul. In March 2013, Senator Paul performed a nearly 13-hour long filibuster on the Senate floor, raising concerns about the use of drones by the U.S. government and demanding answers from the Obama administration. During his marathon speech, Senator Paul captivated national attention and became known for his determination and commitment to his principles.