Diana Eck - The Civic Perspective: Citizens, Nations, and the Challenges of Religious Pluralism

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Yale University also gives some excellent lectures, if anyone is interested.
Some countries are in greater a degree of secularization more than others. The only way that a country/nation can be fair to its inhabitants is if the rule is a secular one, one where people are not afforded any benefits according to their religious views.
Steve Bruce in his 2011 works 'Secularization', gives a succinct account.