Pick ten of those 'vast number of things'. Prioritise 3. Work on one of them till completed. Then continue...
That's actually my issue too and just in the past month, I've turned away from most of the negative, draining people and situations in my life. It's energising !
We dreamers need to stop dreaming and take action. Because the facists, on their part, that captured your grandfather, never stopped. They just changed form and shape. Take action to honour him and continue his legacy Tom. Start from this beautiful morning, while savouring your coffee ! You owe it to the coffee -growers - at least that's what I tell myself, as I'm in the West, benefitting from its world dominating fascism.