The opposition alliance, which links Frepaso with the ancient, soft-left Radical party, called a debate in Congress.

ECONOMIST: Argentina

But the vast majority of Israel is neither radical left nor radical right.

CENTERFORSECURITYPOLICY: Center For Security Policy

The new mayor of Milan, Giuliano Pisapia, was not the choice of Italy's biggest opposition group, the centre-left Democratic Party, but of the smaller and more radical Left, Ecology and Freedom movement, led by the governor of Puglia, Nichi Vendola.

ECONOMIST: Italy's beleaguered prime minister