Foreign Policy's Peter Feaver suspects the leak come from inside the White House, not from Gen McChrystal's team.

BBC: US in Afghanistan failure warning

Peter Feaver at Duke University, who has studied the correlation between wars and public opinion, argues that most Americans care more about eventual victory than current casualties.

ECONOMIST: George Bush's standing

Peter Feaver of Duke University, co-author of a forthcoming book on public opinion and war, says that since the Korean war 10% of Americans have opposed all military action (that was the share against war in Afghanistan).

ECONOMIST: Americans and Iraq