And what I want young people to understand, especially our young people in college, because I know that you face some struggles and you have some doubts and you hit some barriers and you wonder where this is all worth it, whether this change can really happen.
As I agonized over my decision, I realized that I would have some regrets and doubts no matter what choice I made.
Our Zogby Interactive holiday shopping survey raises some doubts and would seem to reinforce the need for retailers to keep pushing deep discounts to keep up volume.
And although Mr Obama, two weeks into his presidency, retains a clean image and high approval ratings some doubts are being raised over the competence of those who screened candidates for the top jobs.
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And, of course, he and all the small carmakers have something else to hold on to: Toyota and GM are facing some of the same hurdles--and doubts.
And no one doubts that some form of big stimulus is urgently needed.
In 2006 a review by America's National Research Council endorsed points Mr McIntyre and his colleagues made on some methods used to make the hockey stick, and on doubts over a specific set of tree rings.
And, on that last score, both Conservatives and Labour supporters still appear to have some doubts.
Far from being a voice of orthodoxy, Mr Schneider encouraged debate, and doubts, on subjects that some of his colleagues thought beyond the pale.
To Mr Cameron's surprise, all of the other 26, including several erstwhile allies, declared their wish to sign up (though some later expressed doubts, and several may find it hard to secure approval from national parliaments or in referendums).
Secondly, the detection of multiple planets demolishes once and for all the lingering doubts of some astronomers that the single planets found around other stars are not planets at all, but small, faint components in otherwise conventional binary star systems.
The U.S. Embassy in Baghdad declined to answer specific questions about its report on corruption, but stressed that it was a draft and said there were doubts about the veracity of some of the sources used.
James Atlas salutes Saul Bellow's talent, but he has some doubts about the relentless mixture of concupiscence and creativity.
The crisis has put considerable pressure on Karzai and raised more doubts about his ability to usher in some stability.
Foreign investors have also been put off by recent moves not to pay some of the country's debt, and by doubts about whether Ecuador will stop using the US dollar as its national currency.
Despite the initial doubts, many foreign investors and analysts will wait to see some results before passing final judgment.
Aside from managerial disputes and track records, the only doubts that exist concern the age of some of the key players.
Or maybe you had some doubts saying, I don't want to go back and revisit that time because it was pretty grim?
As long as Mr Hussein remains in power, doubts will inevitably remain, and it must be assumed that at some stage, maybe soon, he will once again challenge the Security Council's authority.
Earnings momentum has been strong despite some doubts surrounding return on capital, the stock has delivered earnings growth and analyst continue to up their estimates in the company.
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But while the newspapers believe the system works well, and that going along with it helps bolster their credibility with readers, some politicians have their doubts.
SPD, whose support has slid to some 26%, has two big problems: doubts about Mr Beck as its leader and the full emergence of the Left Party as a rival.
Any remaining doubts were laid to rest when Slater ran a penalty from his own 22 and after some scintillating handling, lock Paterson was on hand to go under the posts.
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