Archigram's witty and iconoclastic proposals included "Walking Cities" that moved, armadillo-like, with insouciance and self-sufficiency.
Yet none of this justifies insouciance in the face of falling trust in politics.
Until this week, Mr Livingstone had brushed aside all these manoeuvres with an infuriating insouciance.
Indeed, a lust for leverage, insouciance about accounts, was exposed by the events of 2007-08.
Mr Bush's folksy insouciance appeals to Americans who are turned off by Mr Gore's intensity.
Given that, King Gyanendra might actually feel as secure as his public show of insouciance suggests.
Mr Salmond expects, with some insouciance, that Scotland will be independent by 2017.
An air of insouciance distinguished his manner, was there again in the lazy saunter of his walk, in his smile.
Going back further, the 1976 Super Bowl featured a Xerox ad that set a template for future insouciance and cleverness.
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Much of the art world accepted him for what he was even as he hid his own self-doubt under a gee-shucks insouciance.
To be sure, the most doctrinaire of Free Traders typically try to conceal their insouciance about the defense implications of their policies.
And it was the French who had words like "sang-froid" and "insouciance" to describe qualities that the British did not yet appear to possess.
But it does seem to display a worrying insouciance over what the local laws are and who knows what else is being done in breach of them?
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The image has an "it is what it is" air of insouciance, and seems meant as a challenge to the viewer to deal with it as best he can.
Perhaps as an old man I will take great comfort in pottering around in a lab and gently talking to students in the summer evening and will accept suffering with insouciance.
Judging by their insouciance, the defendants thought the same.
The surge in Barclays' share price after the announcement of his resignation was a sign of weakness rather than of the market's insouciance: the bank was thought to be vulnerable to takeover.
From the images of her kissing her co-accused and erstwhile boyfriend, to her cartwheels in the police station, Knox's seemingly innocent insouciance contrasted gratingly with the gory crime and general preconceptions of what a murderer should look like.
But in China, driving is an art all to itself, an act of multiple competing willpowers all acting on a complex series of congestion points negotiated with careless insouciance that borders on the reckless and frequently leads to the regrettable.
But Schoen's appetite for government censorship of political speech based on his disapproval of its content, and his insouciance about even articulating a coherent standard to explain his disapproval, shows why it is so important to guard our First Amendment rights vigilantly.
Displayed against a running background of the unmistakable, aggressive green that was Stirling's trademark color among other heresies, he defied orthodox modernism's primary hues with a wild celebration of purples, golds and greens (his purple socks, worn with a certain gravitas and insouciance, enlivened his otherwise conservative and unremarkable attire).
The apparent insouciance about such a prospect on the part of the incoming Bush foreign policy team is especially worrisome since it is utterly at odds with, and manifestly repudiates, the strong opposition to this initiative expressed by congressional leaders in a letter to Mr. Clinton sent last week.
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Mr McCain's fierce patriotism appeals to the security-conscious, while his long history of opposition to the shortcomings of his own party (its hostility to immigrants and its insouciance in the face of climate change, to take two examples) gives him more pull with independent voters than any other Republican could have offered.
Most of the coalition's problems have had less to do with its complexion than its occasional bouts of incompetence: Mr Cameron's self-confidence has sometimes tipped into insouciance and neglect of detail, as in a botched proposal to privatise forests and, more importantly, the well-intentioned but chaotic bid to make the National Health Service more efficient.
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