Prof Zhang and Prof Zhu Feng at Peking University also tell the newspaper that the crisis is an opportunity for China and the US to co-operate more closely.

BBC: China media: Debate on North Korea

One factor, says Zhu Feng of Peking University, was hubris.

ECONOMIST: Banyan

Of late, lesser-known yet winning entrepreneurs such as Zhu at WebEx and Feng Deng at NetScreen , which was acquired earlier this year by Juniper Networks (nasdaq: JNPR - news - people ), have advanced down the same path.

FORBES: Rice Fields Yield Internet Riches