Tom Engelhardt has the cover story in the new issue of The Nation, a reconsideration of the American response to the 9/11 attacks five years after the event. In it, he asks:
What if the two hijacked planes, American Flight 11 and United 175, had plunged into those north and south towers at 8:46 and 9:03, [...]

What if Britain Hadn’t Fought in 1939?
It’s interesting to think about the counterfactual of what would have happened in Europe if Britain had decided not to defend Poland. France would probably have followed Britain’s lead, as she did after Munich in 1938. There would have been no need for a Hitler-Stalin Pact, and it wouldn’t [...]