There is nothing decent or principled about the wars in Afghanistan and Libya: there is only the western desire to keep control and avoid admitting another failure like in Iraq.
Israel's attack on Lebanon in 2006 rates as history's most ill-thought out air war, until this year when France and Britain decided to overthrow Colonel Gaddafi.
Jesse McClaren says the horrific crimes of Anders Behring Breivik have exposed the consequences of war and Islamophobia; to counter this, we need to follow Martin Luther King and wage war on poverty, racism, and militarism.
Lindsey German says politics and media have some responsibility, not for the killings themselves, but for the culture which has demonised Muslims and created an atmosphere of hatred.
Norwegian Aslak Sira Myhre says we need to use the atrocity in his country to strike a blow at the intolerance, racism and hatred that is growing throughout Europe.
Ex-soldier Joe Glenton, pictured on his way to jail for refusing to fight in Afghanistan, writes in support of Michael Lyons, the Royal Navy medic jailed for the same reason.
Hardly had the shooting finished and the world's media had already decided, the culprits were Muslims, and within hours President Obama was using the atrocity to justify his "war on terror".
Six Afghanistan judges accuse the US of war crimes, but tell US author David Swanson they still worry about stability if the foreign troops leave, and ask him what he would do in Obama's place.
Why is the fate of people subjected to US invasion and occupation, and the scale of the slaughter inflicted, hidden from Americans?
The media is currently obsessing over itself, but the Murdoch melee has buried many other things, says MP Jeremy Corbyn. Like wars against poor people who just happen to live on top of oil and minerals.