Chiron regained U.S. rights, and Aventis had to step a few years back in the race.
What will happen if the other NATO allies fail to step to the plate?
Now, for the federal government to do its job, everybody has got to step up.
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And so when the ECB needed some clear thinking, Wilson was invited to step on board.
If that happened, Shadegg would presumably be one of those hoping to step in.
Less than a week later, he was asked by City Council to step down as mayor.
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The Fed will have to step up to fill the void, but at what price level?
But Mr Sanford defied numerous calls to step down before his term ended in January 2011.
Both countries recently said they wished to step up security co-operation after the Boston Marathon bombing.
It is unclear why Breyer has chosen to step down from so many high-profile boards.
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To his credit, Mr Aznar stuck to his promise to step down after two terms.
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The Durham star is favourite to become one-day captain following Michael Vaughan's decision to step down.
Yemen's student-led opposition says it is ready to step into the breach when Mr Saleh goes.
He urged farmers to step back and reconsider before taking on any farm job.
In that case someone else will have to step in to fill the gap.
Congressional leaders have also dropped their support for the pastor and asked him to step down.
For this to happen, China Mobile needs to step up its efforts in the 3G arena.
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Aid agencies wonder, and fear, what might happen were the rebels to step up their activities.
While Church law does allow for him to step down, a Pope usually reigns for life.
And we work with our allies to step up the pressure every day, every week.
Such experience will allow them to step up their game as a leader in all organizations.
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We have a documented fan and business base ready to step forward when the time comes.
Their decision to step forward has sparked soul searching among both active duty and retired officers.
Shahbaz was chief minister of Pakistan's largest province, Punjab, and had to step down.
It will have to step in again, or more physicians will refuse to treat Medicare patients.
James Crowley, appeared at his steps and asked him to step outside, the lawyer said.
We also want technology to step in as we invite people to step back.
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They are looking for new thinking, for a president ready to step out of the box.
Will he be able to step right in there, throw, and still take that hit?
When you choose to step up to the plate of leadership you do just the same.
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