<p>The National Health Service, described by Nigel Lawson as Britain's only 'national religion', has never been more popular. So why is the government so desperate to reform it?<br><br><br>Last year, the Office of National Statistics reported higher public satisfaction with the NHS than at any time since its foundation. In a 2012 survey of developed countries, the UK showed the highest public support of its health system. Politicia...