Ayers, now a distinguished professor of education and senior university scholar at the University of Illinois at Chicago, was a co-founding member of the radical activist group the Weather Underground in 1969.

CNN: 3,000 professors sign to support William Ayers

The teachers are part of the country's smaller, more radical union, the National Co-ordinator of Education Workers.

BBC: Latin America & Caribbean

He has done so together with such prominent Leftists as Katrina vanden Heuvel, publisher of the Nation magazine and co-author of Taking Back America - and Taking Down the Radical Right.

CENTERFORSECURITYPOLICY: GOP's Job #1?

The Merthyr AM called for Wales to "take a new departure" and needed a "radical and bold vision of the future, based on co-operative values".

BBC: Two join race to succeed Morgan

This is a radical change from the past use of such funds and explains the otherwise paradoxical co-existence of rising inventories and increasing crude oil prices.

ECONOMIST: China and trade