The latest nuclear fusion enthusiasm

I have written about nuclear fusion as an energy source before:

Periodically, however, there are news stories about supposed breakthroughs in fusion technology with the potential to be rapidly and affordably deployed, potentially curbing climate change.

I have seen enough of these stories in my life to be pretty skeptical, but this can be a thread for keeping track of and discussing them.

Here’s the latest: Lockheed says makes breakthrough on fusion energy project