Some quick notes on the "Fusion Ignition" announcement.
As defined elsewhere (wikipedia) ignition is:
E_fusion_output > E_fusion_input
E_power_plant is the energy at the input of the facility.
According to the news report there was a gain of 3.15/2.05=1.54.
But E_power_plant_input is not the same as E_fusion_input:
laser input: ~300MJ
laser output: 2.05MJ
fusion output: 3.15MJ
To breakeven we will have to increase gain by a factor of 300/3.15=95.