Nuclear is exception to Germany’s rule

The intricate system for preventing political accidents has been bypassed, writes Eva Ladipo

Switzerland

Swiss immigration poll is only the start

Rightwingers have had enough of foreigners and their preferential taxes, writes James Breiding

Post-crisis, the nation state strikes back

Putin’s muscle-flexing shows the role of states in matters of war and peace, writes Mark Mazower

How to tackle the UK immigration problem

Our aim must be to return freedom of movement to its original intention: a right to work, writes Nick Clegg

384183 13: FILE PHOTO: A crowd gathers to watch a side gusher on Spindletop Hill in Beaumont, Texas which was the site of the first Texas oil gusher, January 10, 1901. Beaumont, in the southeast corner of Texas, will host a day of centennial celebrations January 10, 2001 to commemorate the event as a historic and economic milestone. This year marks the 100th anniversary of the modern texas oil industry. (Photo by the Texas Energy Museum/Newsmakers)
©Hulton Archive/Getty Images

Cheap crude can oil the wheels of reform

Market volatility creates opportunities for smart policy, writes Michael Levi

Even an imperfect Iran nuclear deal is worth pursuing

Green debate hots up over private sector

Large technological interventions raise moral dilemmas governments must face, writes Anjana Ahuja

The risk culture makes the difference

The focus on making banks ‘safe’ by holding more capital is unrealistic, writes Simon Samuels

We risk turning UK into new eurozone

We must make sure that reform is coherent and we understand its consequences, says Alistair Darling

Rethinking China’s state-owned enterprises

For Beijing’s reforms to work, domestic and foreign private interests must play a bigger role, says Yukon Huang

Marley and the birth of Big Weed

The African Herbsman was willing to compromise in return for market reach, writes Jonathan Guthrie

Smiles and jokes mask danger in UK politics

Behind the grins of Nigel Farage and Boris Johnson lies a Berlusconi-style bluster, writes Bill Emmott

What Ukip’s win means for 2015

A much larger number of seats will now fall under the party’s radar, writes Matthew Goodwin

Europe’s economy relies on French reforms

Paris has already taken some steps. But these have been too few, writes Günther Oettinger

West cannot afford Iran to turn to Russia

It is vital a comprehensive deal on Iran’s nuclear programme is reached, writes Ariane Tabatabai

Japan’s stimulus plan is foolhardy

It carries risks that could seriously affect the global economy, writes William White

Russia will take decades to pivot east

In the meantime, it must engage with Europe and the west, writes Thane Gustafson

Art is judged by price not aesthetics

We have lost the ability to assess art for ourselves and on its own merits, writes Bendor Grosvenor

Obama tests his executive power

A Republican majority has prompted the president to act alone, writes Jacob Weisberg

Culture can help revive Britain’s cities

The chancellor understands that towns must have souls as well as sewers, writes Peter Bazalgette

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