Stefan Schubert is a philosopher who specialises in rationality, argumentation and the theory of knowledge. He started making detailed analyses of opinion pieces in Swedish newspapers in 2014, in a style akin to that of [insert our website name], and has also argument-checked some of the American presidential debates. Presently he works for the Centre for Effective Altruism, Oxford – a non-profit that tries to improve the world as effectively as possible, using evidence and reason. He believes that improving the level of discourse in politics has the potential to be an effective method for making the world a better place. One reason why he is involved in the project is to find out whether that is indeed the case.