Cosmopolitan theory suggests that we should shift our moral attention from the local to the global. Richard Vernon argues, however, that if we adopt cosmopolitan beliefs about justice we must re-examine our beliefs about political obligation. Far from
John Locke's Letter Concerning Toleration (1689) is one of the most widely-read texts in the political theory of toleration, and a key text for the liberal tradition. However, Locke also defended toleration more extensively in three subsequent Letters,
