But before the government plunges into another constitutional convulsion, it needs to meet several conditions.

ECONOMIST: A federal Britain

She turned away, shuddering off a convulsion as best she could, but another came and she was restless.

NEWYORKER: Faith

Another mystery: Once, hiking a mountain, she felt tired and went into convulsion.

CNN: Author makes peace with an undiagnosed illness

What happened was not a war on the Jews so much as a convulsion in a long-disputed territory, in which everyone killed everyone.

NEWYORKER: Faces, Places, Spaces

But the claim that the country was threatening to leave the euro seems to have been wrong, though it caused yet another market convulsion.

ECONOMIST: Germany continues to dither over how best to rescue the euro

This could be quite a major convulsion for the Lib Dems...

BBC: Week ahead

Over the last 30 years, a radically legalistic interpretation of a cosmopolitan faith has been force-fed into a multifaceted political culture -- and today all the world can see the violent convulsion of the system.

CNN: Commentary: Iran confronts rape, torture allegations

Indeed, as a student of France's troubled history and an observer of its politics for over half a century, I suspect France is entering a prerevolutionary phase and that a major convulsion is just over the horizon.

FORBES: Current Events