Meer vrede op aarde dan ooit

De mensheid wordt steeds minder gewelddadig, zegt Steven PinkerPAGINA 8-9

FILE - In this Thursday, April 4, 2013 file photo, an Afghan army soldier stands guard in the destroyed courthouse in Farah, western Afghanistan, after suicide bombers disguised as Afghan soldiers stormed the courthous in a failed bid to free more than a dozen Taliban prisoners. he Taliban have announced they will launch their spring offensive on Sunday, April 28, 2013, signaling plans to step up attacks as the weather warms across Afghanistan, making both travel and fighting easier. (AP Photo/Hoshang Hashimi, File) AP