Here are several good articles on fusion. Information about how it works, the (mostly) political component, and a podcast that lays out a realistic time – 50 to 70 years. I hope that you find it useful.
In this report the section on fusion follows the explanation on fission. It is an easy read and explains a lot. Gordon Edwards is a well known Canadian scientist who has made several local appearances, all excellent. Put the pdf address in your browser and it should pop up.
This BBC article has a good description of how fusion works – pushes particles together rather than blasting them apart. And more.
The political reasons why this became such a big deal. DOE is pushing it as it pushes its nuclear agenda and President Biden’s pro nuclear plan.
Barry Cinimon podcast, The Energy Show. A balanced report on this new breakthrough. 16 minutes.