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.
If your cat has a fear of noises, there are steps that you can take to foster a trusting relationship with your cat and methods that will help your cat to feel more secure in its environment. It takes time and patience, but eventually your cat will be able to overcome these fears.