So who won the fight? (it's hard to use anothing other than a martial or pugilistic metaphor). But the very fact that Obama chose to schedule his speech (Cheney's was announced first) at exactly the same time as the former veep was a sign of some weakness. The venues for the speeches said something. Obama showily chose the National Archives, repository for many of the founding documents of the US, and spoke in front of a copy of the Constitution - cloaking himself in the flag, as Republicans were often criticised for doing. To hear Cheney speak, we were crammed...