Britain's future king today issued a plea against religious persecution and rise of populism, warning against going back to the dark days of the 1930s, in his special Christmas message. Talking on BBC's 'Thought of the Day' segment, Prince Charles urged respect for those of different faiths or risk repeating the horrors of the past.<br/><br/>The 68-year-old royal said in his pre-recorded special Christmas message, which was aired on the radio today that also spoke about the plight of refugees<br/>