"We are making it tough ... we are doing all we can, " she told BBC Radio 4's Today programme.

BBC: UK 'fails to protect foreign vice girls'

But we have to keep reminding ourselves and everybody why we are there, what we are doing.

WHITEHOUSE: President Obama and Prime Minister Cameron Hold a Press Conference | The White House

The problem with lectures and seminars is that they usually teach us things we already assume we are doing.

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None of this works unless we acknowledge what we are doing.

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We have got to do a lot of work on Friday to make sure our car is good in the cold conditions but I think we know what we are doing.

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We had a horrible recession that we are just coming out of and we are doing better.

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People who criticize wish they were doing what we are doing.

WSJ: Scott-Young's 'Love & Hip-Hop' overcomes backlash

Those estimates I gave you are estimates that we are doing.

WHITEHOUSE: Daily Press Briefing

Now with the help of genetic engineering we do know better what we are doing.

BBC: Should genetic engineering be stopped?

Despite the war and with people on the ground to channel the food to the population in need I am sure we have to continue what we are doing.

BBC: Sudan - should we do more?

Things that we can do administratively, we are doing.

WHITEHOUSE: President Obama Speaks on Increasing Oversight on Manipulation in the Oil Market | The White House

We must do better than we are doing.

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We cannot go on as we are doing.

BBC: Social care costs 'should be capped at ?35,000'

But we can do better than we are currently doing.

NPR: Obama: US, Latin America Must Strengthen Economies

It is very important that we earn the chance to sustain what we are doing.

BBC: Southern Cross boss: 'I am very sorry'

We really have to think about what we are doing.

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We just try to concentrate on what we are doing.

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We work within our comfort zones, doing what we think we should do and what we are used to doing.

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We want to assure the impacted clients that we are doing everything we can.

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We have made many mistakes in the last six months, but we are doing what we can.

CNN: Groceries to go

Those are systems we should really put some energy and resources behind, even more so than we are doing today.

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The greatest strength, but also the greatest weakness of high tech is that whenever a cool new technology comes along we all race to implement it into whatever we are doing.

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We really want to change the stereotype, and step by step we are doing it.

CNN: Saudi's new breed of artists push the limits

We are open, and we are going to stand here, because we are doing the right decision.

NPR: Boycott Doesn't Close All Immigrant Businesses

We were given a similar chance when we first started and having recognized an opportunity to pass it on a little bit, we are doing so.

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Now we ought to have the institutions and norms base and regulations in order to cope - and we are doing this.

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Michelle and I came here today to say thank you to all you servicemembers and your families, and we hope to inspire more communities out around the country to reach out to our military families just like we are doing tonight.

WHITEHOUSE: The White House

"We are extending the range of work we are doing on de-radicalisation... but we also want to support the moderates, " he said.

BBC: Ministers defend counter-terror spending in Pakistan

They will give us data and alerts in the context of what we are doing.

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It is all of the costs of whatever it is that we are doing.

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