The new policy stems from a conflict of interest case last year involving a review article in Nature Neuroscience that evaluated experimental treatments for depression.
According to Howard M. Shapiro, who recently stepped down as general counsel of the F.B.I., the policy stems from the bureau's famously exalted self-image.
"The complication surrounding China's economic policy stems from the fact that the Chinese government still controls many aspects of the economy.
The new policy stems from a detective's recruitment of students, for a $20 fee, near Uniondale High School in March, which provoked objections from parents, school officials and a county legislator.
Part of the impetus for the postwar German interrogation policy stemmed from the fact that many of the reconstituted army's new leaders had been P.O.W.s recently released from Allied — especially British — custody.
The novel came to be understood as an allegory for debates about turn-of-the-century monetary policy stemming from outrage over the subjugation of agricultural interests to the imperialism of bankers on the East Coast.
The building, in its response, said no one was permitted to own two unconnected, full apartments; residents say the policy stemmed from when John Lennon and Yoko Ono irritated some neighbors by buying several units.
But while that policy stemmed from a desire to understand what had gone wrong in young offenders' lives, Kyle seemed somewhat less concerned with exploring the level of poverty the teenagers had grown up in.
But they are largely opposed to what many experts and lawmakers believe is a crucial step toward reducing assault and more effectively punishing abusers: the reversal of a centuries-old policy stemming from English law that gives commanders the power to decide whether and how an offender should be tried.
But to whatever extent Mr. Obama controlled the fate of his young presidency, Mr. Podesta believes that his most consequential decisions on domestic policy stemmed from one overarching conviction — that the president's most important job in a crisis, requiring nearly single-minded attention, was to pass huge legislation.
