Guardian investigation shows how US presidency blurs line between policy and enrichment of American ruling family and those around it

On a graffitied Sarajevo backstreet, a path leads past an overgrown patch of garden to a white door. Beyond is the registered office of a company that is on the brink of winning contracts worth more than $1bn.

AAFS Infrastructure and Energy is close to securing a concession to build and operate a pipeline across the Balkans to allow fossil gas shipped from the US to replace supplies that come from Russia. “This could be the most important infrastructure project ever in Bosnia and Herzegovina,” says one of the country’s top officials, who, like others, asks to remain anonymous to discuss sensitive negotiations.

The US president’s reversal on calling for a safety review of new AI models is a green light for tech’s unchecked power

Only hours before Donald Trump was set to sign a long-awaited executive order on Thursday that would have called for a government safety review of new artificial intelligence models before their release, the president abruptly backed out. Despite growing public backlash to the technology and experts warning new models will pose critical security risks, Trump vowed the US government would not slow down the AI race.

During a meeting with reporters on Thursday, Trump cited both American dominance and competition with China and as his reasoning behind the reversal.