The memo could have been aimed at quieting internal unrest about Facebook's chief lobbyist Joel Kaplan.
Holder's appearance was part of a six-city tour to address unrest about police tactics.
The debate over what to call the social unrest is about more than journalistic accuracy; the question is whether those actions were, ultimately, about "things" or about "politics".
For Ukrainians, the current unrest isn't about whether the country will once again submit to its traditional hegemon, Russia, nor is it about closer alignment with the E.U., or about putting Ukraine's underwhelming political opposition into power.
"Not caring about the instability of these countries really would hurt our economic future quite dramatically, whether it's unrest, whether it's disease," Gates told BBC News.
However, it is our belief that this style of unrest can bring about real change.
Of course, geophysical unrest – whether volcanic or seismic – is never static; levels and trends in the different indicators of unrest can and will change with time.
But such open defiance of the security forces, which is rare here, came as Iraqis had been watching scenes of unrest around the region and wondering aloud about whether their own country would be further destabilized.
At the Asian summit meeting in Shanghai 10 days ago, the hallways were filled with speculation about whether economic downturn could worsen social unrest, particularly in the Islamic world.
Ms. van der Hoeven takes over amid concerns that the I.E.A. is losing relevancy because emerging energy giants like China are not members, and after a rare public split in June within the Organization of the Petroleum Exporting Countries about whether to raise production levels in response to unrest in Libya.
