Miniaturising nuclear warheads is hard, and the North has enough plutonium for just ten or so nuclear devices.
Why should a state seeking a peaceful nuclear program work so hard to whip up war fever?
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Back in the 1960s and 70s, getting rural Japanese communities to accept nuclear power plants was hard.
Yet its ever more blatant nuclear claims make that hard to do.
Washington still has an interest in promoting non-proliferation, but there is little to be gained from pressing hard for a nuclear settlement.
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It is hard to imagine any nuclear power plant owner allowing the same misuse to occur again.
Because of Iranian words and deeds, we have been forced to act on the assumption that they are driving hard to obtain a nuclear arsenal.
As such, it has fought hard not just for nuclear loan guarantees but also for tougher clean air standards that give it a leg up over those utilities that rely on coal.
This project, a collaboration between America, Russia, Japan and Europe, is intended to create sustained nuclear fusion by squeezing gases so hard that their atomic nuclei fuse together and give off more energy than was needed to squeeze them.
This is why no serious study of cancer rates in relation to proximity to power plants has ever shown any correlation ( Jason Harris, Idaho State University), as hard as many anti-nuclear activists have tried.
There, as Iran moves swiftly towards the nuclear club, the US on the one hand refuses - as it does with Pakistan - to make the hard but essential decision to prevent Iran from becoming a nuclear power.
He has become a hawk on offshore oil drilling and would push hard for the building of new nuclear power plants.
It is hard to say what sort of nuclear future would be more stable and peaceful until you get a lot closer to zero.
When excitement was hard to come by aboard a nuclear submarine in the early stretches of "Crimson Tide, " he turned a fat fire on a stove in the sub's galley into something just short of a nuclear explosion.
"Contrary to those who believe Sarko was the George Bush of France ('dragging' Obama into Libya, taking a hard line on Iran's nuclear program), and have hopes that the long-time head of the French Socialist Party will take a severe turn to the left, Hollande is likely to disappoint, " they said.
The North was once able to use promises to scrap its nuclear-weapon programmes as a means to extort hard currency from South Korea, America and Japan.
He is a staunch defender of the US-led military occupation of Iraq, and as Washington's top arms control negotiator has taken a hard line over North Korea's nuclear programme.
Wall Street, health insurance and drug companies, fossil fuel and nuclear power companies, and defense corporations have been hard at work defeating common-sense reforms that would make them more accountable.
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The number of states with nuclear weapons seems likely to rise, though it is hard to say how far.
Those on Mr Bush's worry-list have nuclear, chemical or biological weapons, or are trying hard to get them, despite treaty promises not to.
But ultimately, if in fact Iran does not seek nuclear weapons, then it shouldn't be that hard for us to have a series of negotiations in which the international community feels that confidence, and in which Iran then is able to enjoy a whole host of economic and political benefits and gain much greater legitimacy in all of its other endeavors.
In the past America has leaned hard on South Korea and Taiwan to abandon nascent nuclear ambitions.
Why is it so hard to know full details of North Korea's nuclear program?
In his responses, Hagel adopted a hard line on Iran and its possible pursuit of a nuclear weapon.
Maintaining an effective U.S. nuclear deterrent will become even more important in Asia as China works hard to close the conventional military gap.
Ms. SABERI: Well, I don't think it has reached that point yet, but at the same time, it's true Ahmadinejad did use strong language and it is in keeping with hard-line stance that he has held on the nuclear issue.
While it is hard to imagine that civilization will forgo the benefits of expanding nuclear energy, the question of when this may happen is a political decision facing every nation.
In fact, with the sharp decline in Russian hard currency earnings, the role of arms, space and nuclear exports has undoubtedly increased in importance as has access to various forms of Western financing.
Yet even then it was hard to persuade a nervous General Musharraf to put Pakistan's nuclear hero out of business.
Taken together, these instruments have come to be called "soft power" (as opposed to the traditional kind of "hard power" represented by armies, navies, air forces and nuclear weapons).
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