The large population of stray dogs has long been a problem in Mexico City, correspondents say.
Schapiro mentioned that a lack of proper funding has long been a problem, but said funding was recently restored to 2005 levels.
Lack of co-operation between regional power-brokers has long been a problem.
In India it is euphemistically referred to as "eve teasing", in Japan groping on the subway has long been a problem, and the attack on Lara Logan in Egypt gained international attention.
Mr. LONG: This has been a problem that we've been faced with for quite a number of years.
On those annual visits to East Lothian, it might have been noticed that this has been recognised as a long-running problem, with which Scotland continues to struggle.
The Englishman has been troubled by a long-standing calf problem and does not intend to play again before the WGC-HSBC Champions event, starting on 4 November.
"You know this problem has been with us for a long time, " said Sen.
Research on food allergies has been slow because "for a long time, people thought this was a small problem, " Munoz-Furlong said.
The problem has long been recognized, and the aforementioned Habitats Directive -- a corollary of the 1979 Bern Convention on the Conservation of European Wildlife and Natural Habitats -- introduced a range of measures aimed at protecting endangered species (including plants, birds and fish as well as mammals).
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