US president Barack Obama: His administration   brought in new   taxation rules that blocked    pharma giant Pfizer’s takeover of Dublin-based Allergan. Mr  Obama called the law that would have enabled the inversion “one of the most insidious loopholes out there”. Photograph: Andrew Harrer/Bloomberg

So, that old US corporate taxation friend, the inversion, is gone. That’s the trick that enabled companies from far away acquire companies in Ireland(...)

Hillary  Clinton’s support of the Panama trade deal, which Bernie  Sanders (above) challenged in the US senate, was one reason why she should not be the Democratic Party’s nominee for president, he said. Photograph: Mark Makela/The New York Times

Democratic presidential candidate Bernie Sanders has tied Hillary Clinton to the Panama Papers, claiming that her past support of the Panama free tra(...)

US president Barack Obama says he’s pleased with the new rules  Photograph: Bloomberg

As corporate lawyers in Dublin lament Barack Obama derailing a gravy train of fees from multi-billion-dollar merger deals to move companies from the U(...)

Allergan chief executive Brent Saunders gives an interview on the floor of the New York Stock Exchange as Allergan and Pfizer announce the end of their plan to merge. Photograph:  reuters/Brendan McDermid

Pfizer and Allergan have terminated their $160 billion merger in an abrupt end to the largest healthcare deal yet after the US government cracked down(...)

Adnan Khashoggi: Saudi billionaire negotiated billions of dollars in weapons sales to Saudi Arabia in the 1970s and played “a central role for the US government” with CIA operatives in selling guns to Iran, according to a 1992 US Senate report co-written by then-Senator John Kerry, now the US secretary of state. Photograph: Getty Images

One day during his presidential re-election campaign in September 1996, Bill Clinton walked into a room in Westin Crown Center hotel in Kansas City. A(...)

Mossack Fonseca’s office in Panama: Files show client roster that includes drug dealers, Mafia members, corrupt politicians and tax evaders - and wrongdoing galore

Mossack Fonseca & Co. had a problem in Vegas. Legal papers filed in U.S. District Court in Las Vegas claimed that the Panama-based law firm had(...)

Pascal Saint-Amans: director of the OECD

The Global Tax Policy Conference has a stellar line up of speakers, including what might be described as the world tax triumvirate: OECD’s Pascal Sai(...)

US Democratic presidential candidate Hillary Clinton looks at items made with a 3-D printer at Cedar Valley TechWorks in Waterloo, Iowa. Photograph: Mark Kauzlarich/Reuters

Democratic presidential favourite Hillary Clinton has called the recent Irish tax-driven merger of US drug company Pfizer with Dublin-based Allergan (...)

Hillary Clinton suggested a tax on carried interest for fund managers, another on “harmful” high-frequency trading and a “risk fee” for banks with more than $50bn in assets, to “discourage the kind of hazardous behavior that could induce another crisis”. (Photograph: James Lawler/Reuters)

Hillary Clinton previewed a slew of ideas “to rein in Wall Street” on Monday, including fines for executives whose companies break the law and an “ex(...)

President Obama last year criticised US firms for becoming “magically” Irish through takeovers

It’s not us, it’s you. This should be the response to any political criticism directed Ireland’s way as multinationals swap American head-office addre(...)