Are Christians being marginalised and even persecuted in today's society?

Christians are being left feeling marginalised and even persecuted in society. That's the controversial claim from former Archbishop of Canterbury Lord Carey. And he's pointing the finger at David Cameron. Lord Carey believes the Prime Minister's policies - on issues like gay marriage -are adding to the anxieties of Christians. And he says the coalition government seems to be "aiding and abetting" an aggressive secular push. Does he have a point? If you're a Christian, do you feel pushed out even part of a persecuted minority? Or do you feel Lord Carey is talking through his clerical hat?