Q.Rhododendron Bush
Is it possible to grow a Rhododendron bush from a cutting of an existing bush? I have two beautiful bushes and will need to trim both back a bit. I would love to have a bush in another area of my yard.

Yes, you can propagate with cuttings.
Here are some links that will help you.
https://www.gardeningknowhow.com/garden-how-to/propagation/cuttings/root-stimulating-hormone.htm
https://www.tjhsst.edu/~dhyatt/rhodocuttings.html
https://www.gardeningknowhow.com/garden-how-to/propagation/layering/air-layering-plants.htm