Donald Trump didn't have a polling operation until very late in his campaign. How did he know what to do? That the Ted Cruz people leaked their polls to Trump because they were looking forward to eliminating all the other rivals, clearing the way for a Cruz-Trump fight that they were certain Cruz would win. In the end, Cruz was the last man standing, it's true. If he had known at the beginning what he knew at the end, he might have thought twice. The Congressional Republican Party thought they could make Trump their tool to impose their very unpopular agenda. Instead, they became his tool.
The Iraq fight itself is probably going to go very, very fast. The shooting should be over within just a very few days from when it starts.
More Irishmen died fighting for Britain in World War I than died fighting against her in all of Ireland's bids for independence combined.
World War II proved a hypothesis that Alexis de Tocqueville advanced a century before: the war-fighting potential of a democracy is at its greatest when war is most intense; at its weakest when war is most limited. This is a lesson with enduring relevance to our own times - and our own wars.