And because they don't intervene on the top side and just the bottom side, you can get an asymmetry and moral hazard.

FORBES

But even when a loved one poses a clear and present danger to society, relatives don't always intervene effectively.

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Many of the other teachers don't dare to intervene.

CNN: ASIANOW - TIME Asia

Despite the outrage on the part of some politicians over big-bucks sports sponsorships, don't look for the government to intervene anytime soon.

FORBES: Stadium Deals

At this point, we have not intervened in this matter and I don't have any guidance for you right now about whether or not that's something we would intervene in.

WHITEHOUSE: The White House

"How I would, by some means of telepathy or other magical means, be able to orchestrate, first of all to be able to provoke a dispute - heaven knows how I would even want to, let alone be able to provoke a dispute - and then intervene in it so that when there was a deal it then collapsed, I don't know, " he said.

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