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On this week's analysis David Walker examines the Prime Minister's proposals for

new muscular liberalism.

For all our worries about money or exhilaration at events in North Africa and the

Middle East the risk of terrorist attack at home throbs in the background of our urban lives.

But across Europe anxiety about bombs merges with cultural affliction, concern about the

integrity of society, whether we are integrated enough.

That's usually called for Islam and Muslims.

Are their beliefs threatening?

Don't majorities have a right to require assent to mainstream views?

But governments, particularly this one, also extol diversity and the freedom of communities

and individuals to choose how they live.

David Cameron has lately taken a line that goes beyond security

to propose a new politics of permissible identity.

Frankly, we need a lot less of the passive tolerance of recent years and a much more active muscular liberalism.

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