Interest rates are low, and national assets are still a multiple of debt, arguing against a near-term tipping point.

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Conversely, for example, you might read a sentence like this: 'Malcolm Gladwell's book, 'The Tipping Point, ' introduced a term that is now in wide currency.

WSJ: Celebrating a Decade of the Believer

Both were underestimated, with their detractors believing wrongly that public rejection of them had reached a tipping point and they could not win a second term.

WSJ: James Taranto: The Difference Between 43 and 44? Not So Much

With mobile payments clearly hitting a tipping point and the need for restaurants to respond, that near-term pain point will probably be addressed by several companies.

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As Global Biodiversity Outlook 3 warns, ecosystems are approaching tipping points beyond which they will be irreversibly degraded, with long-term consequences for all life on earth, including humans.

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