Despite more vigorous policing, the number of people caught trying to cross has declined markedly.
Of course, neither legislation and regulation nor more vigorous law enforcement provide the complete answer.
Yet this more relaxed attitude towards history does not always beget more vigorous preservation.
Would a more vigorous regime of finance-related prosecutions have made much difference in preventing the financial crisis?
Long-term safety studies on drugs being developed today are far more vigorous than drugs developed years ago.
In theory, there are few issues on which there is more vigorous bipartisan agreement than fiscal responsibility.
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The fact is, both companies and consumers have the financial capacity to fuel an even more vigorous economic expansion.
They are reluctant to concede much more until Jordan adopts a more vigorous, inventive and technical style of government.
The Obama administration has been more vigorous on this front than its predecessor.
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Both results puzzled researchers, who expected a more vigorous response, given the ease of transporting and storing gas relative to coal.
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McCain, who is seventy-one, looks both older and more vigorous than he does on television, which tends to conceal the scars from a skin cancer.
But if the Hungarian conservative leader, Viktor Orban, wins the election that is likely next year, Slovakia may find its needling meets a more vigorous response.
The flaw in their theory was that forests need periodic episodes of destruction to clear out old growth and dead wood so that new, more vigorous growth can flourish.
Clearly, even more vigorous congressional efforts may be required if the executive branch and the allies are to be persuaded of U.S. commitment to defend bedrock American principles and values.
But that means that the EP needs to be more vigorous, more ambitious than it has been so far in driving the reform of the EU as a whole, which is desperately needed.
Surrounding portraits of survivors in their new American lives is an array of empty frames, symbolizing those who never made it out of Europe, and whom a more vigorous rescue effort might have saved.
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What we should be doing , especially in the U.K, is looking at the methods of licencing , perhaps a more vigorous check on the applicant for a firearms licence might pay dividends .
He said it was crucial that the new regime - of the Bank of England and the financial conduct authority - are subject to "far more vigorous" parliamentary scrutiny than the FSA experienced in the past.
The plan gives China's biggest domestic carmaker a foothold in the second-fastest-growing car market in the world (after China itself), and helps cash-strapped GM mount a more vigorous push into India, where it has struggled for years to reach its target of 10% market share.
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Optimists say this is no more than the vigorous debate that defines the American primary system.
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His implication is that the studies done in support of new drug applications (NDAs) prior to 1990 were more thorough and vigorous.
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Some studies have shown that short bouts of intense activity may be best, while others have supported the benefits of less vigorous, more drawn-out activity.
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Men who were the most physically active, doing 15 hours or more of moderate to vigorous exercise each week by playing football, baseball or basketball for example, had sperm counts which were 73% higher than those who were least physically active.
Responding to ever more urgent demands, he took vigorous action in the cause of equal rights, calling for new civil rights legislation.
This is too bad, because the piece is rarely performed (this was billed as its first full staging in New York in more than 180 years) and is well worth hearing, with spectacular ensemble and chorus pieces and a vigorous story that all lend themselves to more interpretation than they received here.
The more draconian the U.S. defense cuts, the more important it will be to maintain vigorous research and development programs and to avoid critical shortfalls and bottlenecks in defense production capacity as vital hedges against future security threats.
Ironically, the more draconian the U.S. defense cuts, the more important it is that we maintain vigorous research and development programs and avoid critical shortfalls and bottlenecks in defense production capacity that constitute vital hedges against future security threats.
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After all, the 1980s experienced vigorous economic growth while inflation plummeted by more than two thirds.
What I will say is we believe that as they sit today, making the kind of cars Americans want to buy, making better cars, making more fuel-efficient cars, being able to be vigorous competitors in the marketplace, gaining market share, tells me that they have an opportunity to succeed.
Specifically, the ultimate answer to restoring prosperity and vigorous job growth lies in policy reforms that create a more favorable environment for the creation and growth of new businesses.
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