While Congress retains its inherent contempt authority and may exercise it at any time, this inherent contempt process was last used by the Senate in 1934, in a Senate investigation of airlines and the U.S. Postmaster.
To make a scared cat feel more comfortable, set up a covered cave for them to retreat to. Line it with soft bedding and partially cover the entrance so that the cat will feel safely obscured inside. In the same vein of thought, you can purchase a cat tower for the cat to lie on top of.
Set up the kitten's room with a bed, scratching post, litter box, food and water dishes, and toys. Put the kitten in the room and let her explore a bit while you are still with her. Then leave her alone for a short time so she can become comfortable in the new surroundings. At first, the kitten may hide.