Ireland’s right to roam Sir, – I wish to add my voice to the call for a renewed focus on the right to roam in these pages. The frustration of the public interest by a small number of landowners provides a neat illustration of Mancur Olson’s (1965) theory of collective action, which offers a useful guide to much of our democratic politics. In practice, our laws and institutions often respond not to the number of people who hold a preference, but to the intensity with which that preference is held. Here, a highly motivated minority of landowners exerts outsized influence…