Chertoff said an individual or small group planning to do harm is difficult to detect.
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If Mr Ntaganda stays free, he may strengthen his capacity to do harm.
One thing I would add, is that state and federal policy is much more likely to do harm than good.
Your initiatives seem to punish law-abiding American citizens and enable the murderers, thugs and other lowlifes who wish to do harm to others.
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And we will continue to seek and find and bring to justice terrorists who are plotting to do harm to Americans and our allies.
The practiced cool demeanor of our president will not enhance his stature or his popularity with those who plan to do harm to the United States.
This man is somebody who has sought over the Internet to spread that sort of hate and perversion, and obviously to do harm in spreading that hate.
They often go from brashly demanding cures to learning that some treatments that seemed to help, like bone marrow transplants for breast cancer, turned out to do harm.
"I think it's safe to say that if the tiger really wanted to do harm to this individual he certainly had the time to do it, " Breheny said.
It is more likely that laws will be used not to obstruct the recording and collection of information, but to catch those who use it to do harm.
But clearly, from the initial observations, the initial analyses that's done, that the materials that were found and the device that was uncovered was intended to do harm.
What frustrates computer-security experts is that the features that make the Internet such an invaluable resource -- its openness and interconnectedness -- also make it easier for hackers to do harm.
The threat of an EMP attack is hardly the only reason for ensuring that ballistic missiles cannot be used to do harm to this country, but it is a particularly compelling one.
In January 2012 I was asked whether I was still taking it, after medical trials showed that for those without a history of heart disease or stroke, aspirin was more likely to do harm rather than good.
It is impossible to say with certainty how bad the 21st century's heating will be, but there is a large chance of it getting hot enough to do harm, and a far from trivial chance of things turning catastrophic.
The potential for social media to do harm to investors became apparent last week, after a hoax used the Associated Press Twitter account to post the supposed breaking news that President Obama had been injured due to explosions at the White House.
But as she said, we don't have that luxury because, as I said earlier, we've known for two decades that al Qaeda and terrorists of the like have sought to do harm using an airplane, inside the aviation -- inside the realm of aviation.
But we know that al Qaeda -- we know from intelligence that al Qaeda seeks to do harm through aviation security, through devices concealed on a body inside of a device that one might take onto an airplane or in luggage that's put on an airplane.
And as I said at the beginning, in answer to your first question, al Qaeda remains the number-one threat to the United States and our allies, and that is why we focus so much attention and resources on al Qaeda, as well as other extremists who are plotting to do harm to our interests and our people.
I'm reminded very much -- if you look at the quite similar parallel cases between Abdulmutallab and Richard Reid, obviously spaced some years apart, but each trying to do harm to a transatlantic flight using similar chemicals, decisions were made by the previous administration after looking at all of the factors involved to enter Richard Reid into our civil justice system.
Pelosi will make him the chairman of the defense appropriations subcommittee - from which he will be able to do immense harm to the war effort.
"Our main concern always was to take an ethical stance and to do no harm to any revenue streams of programme makers or broadcasters, " Roger Evans told the BBC.
They are designed not to do irreparable harm to the United States' important strategic relationship with China, but calculated to bring maximum pressure to bear for the restoration of positive trends toward economic and political liberalization in the PRC.
While many may want to condemn these proposed technologies as nefarious military weapons likely to do more harm than good, it would be foolish to do so without first considering the commercial applications likely to flow from these technologies.
"I never wanted to do anything to harm him or cause detriment to his life or to the lives of those around him, " Washington-Williams said at a 2003 news conference, six months after her father died at the age of 100.
To do no harm going forward, we must be able to learn from the harm we have already done.
If Saddam means to do mass harm with his weapons, whom does he mean to harm?
While we are shocked to learn what's in this Report, this is an issue that will galvanize women because it provides them with an opportunity to actually DO something that will cripple the terrorists who wish to do us harm.
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Doctors can continue to do no harm, while researchers brace themselves for exciting, and unsettling, times to come.
But Alan Greenspan's aim has likewise been to do no harm: he has passively accommodated the expansion, by and large, rather than trying either to spur it or curb it, and the administration has always backed him up.
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