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A link between populism and social media is often suspected. This paper spells out a set of possible mechanisms underpinning this link: that social media changes the communication structure of the public sphere, making it harder for citizens to obtain evidence that refutes populist assumptions. By developing a model of the public sphere, four core functions of the public sphere are identified: exposing citizens to diverse information, promoting equality of deliberative opportunity, creating deliberative transparency, and producing common knowledge. A wellworking public sphere allows citizens to learn that there are genuine disagreements among citizens that are held in good faith. Social media makes it harder to gain this insight, opening the door for populist ideology.
Rhetoric and global justice
(2008)
Activists have long recognized the importance of rhetoric and emotional appeal in building support for the global justice movement. However, many political theorists worry that the use of rhetoric may obstruct clear presentation of the issues at stake, and may result in our policies being determined by where the sympathies of the best rhetoricians lie. In this article I examine the ways in which contemporary theorists try to accommodate the need for rhetoric and emotional appeal, and I argue that their attempts are unsatisfactory because they view rhetoric as a tool or skill that can be used to manipulate people to support any position. Yet if we question the sharp separation between rhetoric and reason, then the aims of building support for a cause, identifying the causes we ought to support, and treating others with respect need no longer conflict. Re-examining the radical liberal theories of J.S. Mill, L.T. Hobhouse and J.A. Hobson, will help us to see how this separation might be questioned and rhetoric recovered as a respectful and respectable form of argument.