The harder part will be convincing colleagues that such a radical idea is worth testing on people.
The harder part is being mindful of building them by succeeding in each task and interaction with every customer and colleague.
The harder part was always going to be achieving Mr Zelaya's reinstatement.
The harder part, of course, is learning exactly what to say.
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The harder part is getting everyone else to sign on.
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The harder part will be designing a detector that can distinguish between two adjacent letters on a DNA strand, which are half a nanometer apart, a small fraction of the wavelength of light.
The harder part will be designing a detector that can distinguish between two adjacent letters on a DNA strand, which are half a nanometer apart, a small fraction of the wavelength of light (which makes it impossible to see them).
"It was getting harder and harder for companies to part with the checks to pay you, " Stephen said.
But the riff comes back just as hard as before, if not harder, thanks in part to a staccato whisper that hits with percussive power.
Shadow Welsh Secretary Owen Smith warned that Wales would be hit harder than any other part of the UK by "unfair, unworkable" plans to dock the benefits of those who are deemed to have a spare room.
Does that make it harder to sway Republicans on that part of the sequester?
"It's a little bit harder, but that's part of the challenge I think, " says Wagner.
This could make it harder for people to move from one part of the country to another.
The longer-term impact of the credit crunch on lenders' business models is harder to predict (and depends in part on the severity of the housing-market slowdown).
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Quiet trusts are controversial among estate planners, in part because they make it harder for trustees to do their job of keeping heirs informed about their investments.
One could argue that dignity makes it a little harder to secure those things, because part of what dignity means is not calling attention to oneself, because making a big deal about yourself is undignified.
First, the problems: a midweek 4th makes it harder for working folks to travel to take part in family gatherings.
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But in the longer term, students and their parents are likely to think a lot harder about whether to study full time or part-time, how long for, in what subject and where.
Over the years my taxes have become more complex, and my annoyance with the complexity and ambiguity makes it harder for me to focus on taxes as part of my role and duty as a citizen of this amazing country.
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Things that are just part of being human tend to be harder to solve than the results of discrimination for example.
Over the years I learned that getting knocked down was just part of the process to work even harder and to improve.
The best part, Jobs is giving reporters an even harder time than he is his own employees.
Either way it looks like both the UUP and the SDLP will take the single ministries on offer - power it seems is a drug neither party can give up, even if being being bit part players in the executive will make it harder for them to pose as a viable opposition in the future.
That's in part because the open-source software business is harder than it looks.
So part of the explanation is simply that teenagers are trying harder not to become parents.
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