The incident involving the two boys apparently passed without ill effect but under different circumstances, as Professor Boissevain pointed out, "such deeply embedded prejudices that surface unexpectedly in moments of anger, can spark off crises".
The road is littered with discarded vitamins and minerals that made perfect sense but proved to be digested and excreted without effect.
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But without a clear Chinese law currently in effect, the guidelines if made mandatory would prohibit the export of such data even when a customer had consented.
But none of them will have much effect without peace and a proper government.
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On the winery patio, she used bamboo overhangs that give the same light-filtering effect as awnings but without as much cleaning.
Obama also pushed a similar message in his speech, using the time to thank Panetta, but warning Congress about the budget cuts due to take effect on March 1 without congressional action to avert them.
But global jihadists, without a domestic constituency, seek to maximise civilian casualties for spectacular effect.
Of course there can be no innovation without the protections that that law provides, but here the intellectual property regime in effect turned on itself, squelching the very creativity it was designed to safeguard.
But Pakistan won't accept a test ban unless India does (both, like Israel, are nuclear-armed but outside the NPT), and without them and belligerent North Korea the treaty cannot take full effect.
But in a dramatic turn on May 8th a state Senate-approved bill to that effect died without a full vote in the Colorado House of Representatives, which holds a slim 33-22 Republican majority.
But without a significant technological advance such projects will be expensive and may take many years to have any significant effect.
And Americans' exhaustion with wars overseas undoubtedly makes him more reluctant to act, but the president's persuasive powers can be deployed to good effect, especially since meaningful results can be achieved without the proverbial American boots on the ground.
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