Chancellor George Osborne addresses the Conservative Party conference in Manchester ©Stefan Rousseau/PA Wire/Press Association Images

The chance to build a bridge and point to it after you’ve left office—that is the kind of thing that US senators sometimes say gives them the best job in American politics (with more practical power than the President). The clunky refrain “we are the builders” with which George Osborne hammered home his speech to the Conservative Party conference is not a high point of modern political rhetoric, but it has its uses: he’s offering a very tangible legacy, built before your eyes.

The central planks of the Chancellor’s speech set out ambitious goals for a modern country—and for modernising it further. More devolution of power to cities and councils, enabling them to compete for businesss; more apprenticeships; and a commitment both to defence and aid. The tone was international, confident, often radical, not invoking Broken Britain but acknowledging a list of problems which he proposed practically to fix.

The question will now be whether the Chancellor can deliver on the construction contract he has written, as well as on the wider goal he shares with David Cameron of seizing the centre ground of British politics, or whether he will be tripped up both by the severity of the cuts he proposes and by economic factors beyond his control.

The building pledges themselves are not without hazard. Houses are almost the easiest, given the consensus behind the need (see our cover story, by Andrew Adonis, the Labour peer last month). Sceptical mutterings that mon…

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