I think it's hard sometimes for people to grapple with the real-life consequences of political change. I think that, we as a culture, feel like politics is one sector of our lives that can feel apart from our personal lives and the cultural things we're interested in and the sports we watch. It feels like this separate, different thing.
When you sit down to write, write. Don't do anything else except go to the bathroom, and only do that if it absolutely cannot be put off.