Source: The Wall Street Journal By Elliot Jager Americans should give thanks for a political culture that cherishes liberty and to their forebears, who came to these shores in search of religious freedom, writes Myron Magnet in The Wall Street Journal. Magnet, who has authored books on history and social policy and was awarded the National Humanities Medal by President George W. Bush, recalled that since 1621, when the Puritans came to the New World in search of religious freedom, waves of pilgrims in quest of liberty have followed them to these shores. It once was illegal under British law for…