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's anxiety is mild and she seems otherwise healthy, there are a few things you can try before calling the vet. Feliway sprays, diffusers, and wipes that contain a synthetic form of a feline facial pheromone that is thought to help cats feel calm and relaxed are widely available. Many different nutraceutical, herbal and homeopathic formulations have also been designed to help anxious cats.