His death is expected to weaken the resolve of any other tribal leaders wanting to join the government.

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"No amount of distance or time will weaken our resolve to bring America's enemies to justice, " Attorney General Eric Holder said in a statement Thursday.

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The worry now is that a bonanza of oil will weaken an already infirm resolve to drill deeper into the economy's structural problems.

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Mr. Singh condemned the attack and said that such incidents won't weaken the country's resolve to fight violence.

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But in private conversations they also express hope that increased US pressure on Pakistan to squeeze the space for militant groups will weaken the army's resolve to continue to support and protect them.

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He said there were some "alarming scenarios" that could weaken the power of states to resolve conflicts.

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