I have endeavored to keep these answers reasonably short and focused. The answers are backed up by empirical research which is summarized at greater length in my book Getting Off Track, which in turn refers to a number of technical empirical studies.
On a stone wall at the memorial of the Dachau concentration camp, a promise is written in five languages: "Never Again." Yet in the decades since the Holocaust, in places from Cambodia to Rwanda to Darfur, international actors have failed to mount an effective response to mass atrocities.
The grand opening of a United Nations General Assembly has its moral hazards. The flamboyant arrival of extravagant personalities–such as Iranian dictator Mahmoud Ahmadinejad and Libyan strongman Muammar Qaddafi–can make a democratic leader quiver, worrying that the paparazzi might capture a common moment in the hallway.
Our objective is to make health care in California more affordable and more accessible. There is virtual universal access now, but it is carried out in emergency rooms, which take all comers. Such an undesirable method not only heavily burdens emergency rooms but means that many people wind up without care because they do not have an organized way of obtaining it.
Over the past few decades, the average college has not become more selective: the reverse is true, though not dramatically. People who believe that college selectivity is increasing may be extrapolating from the experience of a small number of colleges such as members of the Ivy League, Stanford, Duke, and so on.