All That is Solid Politics + Psychology + Philosophy + Misc Subscribe Sent Bi-Weekly Sample Accepts Sponsors English SciencePoliticsPhilsoophyForecastingData All That is Solid is a newsletter by a young political scientist that discusses interesting ideas and new research in politics, psychology, and philosophy. Tools Substack Created By @sam_atis Discover Interesting Newsletters Every week we share the best new newsletters as well as tips to start writing your own.