In a broad-brush speech, which frequently touched on the topic of freedom and Berliners' resilience, he could not fail to mention the concern felt across Europe about more modern-day encroachments on individual liberty, the recent revelations of internet surveillance and US drone warfare – issues which dominated his 25-hour visit to the German capital.
Electronic warfare, cyber attacks, small groups of commandos and special forces will take the place of traditional army units, just as pilotless drones will take the place of conventional aircraft.
The social and economic crisis in Somalia is exacerbated – and to some extent caused – by clan warfare.
The town in which Salim, "a man without a side", sets up shop, formerly Arab, then colonial, becomes a microcosm of a society moving towards independence: a place of chaotic and violent change; tribal warfare, ignorance, poverty and human degradation.
While recapturing the House of Representatives remains a distant dream, the vulnerability of Senate Democrats standing in Republican-leaning states this November means there is plenty of pressure on Obama to tone down his rhetoric: he will likely eschew anything that smacks of class warfare in favour of emphasising greater opportunity.
There are some impressively staged scenes of Renaissance warfare – including a siege at the glorious 13th-century castle of Mount Titano in San Marino.
The album is clearly written in the shadow of 21st century warfare.
Her England is a nation built instead on warfare and bloodshed, an image that is as historically radical and resonant as it is artistically powerful.
Ben Barry, a former brigadier and a specialist in land warfare, based at the International Institute for Strategic Studies, led an analysis of the lessons of the Iraq campaign in his last job before retiring from the army in 2010.
The internet is a new front in asymmetrical warfare.
The basic suite of tools journalists use has only been around six or seven years – so Gaza is one of the earliest glimpses into how propaganda and truth might intersect in 21st-century warfare.
