Wanted: 1m signatures for EU tax on super-rich

A new European tax on the richest one percent is now a step closer to being proposed, although there is still a long way to go — and resistance from its most ardent opponents remains strong.

Last June, a group of activists, economists, politicians and even some billionaires, registered a European citizens' initiative, calling on the EU to introduce a tax on the very rich to fund social and environment...