For instance, getting rid of industrial and agricultural subsidies makes sense, but politicians cling to them.

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One aspect of all this is that more and more gay people today, not feeling marginalized and embattled as a group in the way that their counterparts of a generation ago did, feel less and less of a need to cling tightly to the label that once would have bound them together.

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So participatory culture and derived concepts have become important for them to cling to, as it makes up a larger piece of their generational identity.

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India's political families may come in all shapes and affiliations, but many have one thing in common: Once power brings them an official residence, they cling to it like a Ganges crocodile to a bather's leg - sometimes for decades after they cease to hold office.

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Gunmakers cling to their guns because they believe their survival depends on preserving and enlarging the market for them.

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