Portuguese ministers look on in Lisbon last month as Cao Guangjing, chief executive of China Three Gorges, waits to sign the deal to buy the government's 21.35% stake in national utility EDP for 2.7bn euros
Photograph: AP/PA
When China arrives wanting to buy energy assets, some governments in the West just see red
Do we want China to use some of its $3.2trn of foreign reserves to invest in Western energy and other infrastructure, or not?