Along with Michelle Rhee, former New York City Chancellor Joel Klein is the best known of a new wave of reformers tackling one of our nation's most intractable problems: the overall mediocrity and, in some areas, outright failure of our public schools.
Ebadi shouldered the country's most intractable human rights cases pro bono.
Call it a stroke of genius or a gamble, the Bush administration had decided that the way to accomplish this is not through the conventional route of deepening cooperation in the areas where there is a convergence of views, but tackle head-on the most intractable impediment: the question of nuclear proliferation.
Even in housing, where the challenge seems the most intractable, building enough to accommodate 70 million, far from concreting over the whole of England, would increase the developed area from 10%to12%2%.
But the most intractable problem of all remained the economy.
Knight promised to solve Tupac's most intractable problems.
The conflict is one of Asia's most intractable.
Jerusalem remained the hardest hurdle, with the most intractable problems concerning sovereignty over what the Jews call the Temple Mount, known to Muslims as Haram al Sharif, and the status of the Old City and its immediately adjoining areas, the senior administration official said.
Heroin is among the most immediate — and the most intractable — social, economic, and political problems.
Poems inspired by the underworld of myth confront our most intractable fears.
The two men talked alone for an hour and a half about their most intractable disagreements.
