US Senator Patrick Leahy arrives in  Havana to lead the first congressional mission to Cuba since the change of policy announced by Mr Obama in December. Photograph: Reuters.

A delegation of American legislators led by senator Patrick Leahy arrived in Cuba on Saturday to discuss greater cooperation and remaining areas of(...)

Barack Obama’s  policy shift on Cuba shows a more determined leader who is working through his promised agenda before his term ends. Photograph: Pete Souza/Reuters

US president Barack Obama’s decision to radically shift US policy toward Cuba is the latest and most striking example of a president unleashed from th(...)

Senator Dianne Feinstein walks off the Senate floor after speaking about the CIA in Washington, DC, yesterday. Photograph: Mark Wilson/Getty Images

The Central Intelligence Agency and a powerful Senate committee overseeing the activities of the US spying ag(...)

Did US president Barack Obama really not know about the NSA monitoring of world leaders’ phones? And if he didn’t know, what is the point of snooping on allies, such as Germany’s Angela Merkel? Photograph: Thomas Peter/Reuters

Democrats and Republicans in the US having similar opinions? Yes, it has come to this. Thanks to the latest batch of revelations about the National Se(...)

General Keith Alexander (L), director of the National Security Agency (NSA) testifies at a House Intelligence Committee hearing on Capitol Hill in Washington today.  Director of National Intelligence James Clapper watches on. Photograph: Jason Reed/Reuters.

The US National Security Agency director has defended the spy agency as acting within legal boundaries, amid a public uproar over the collection of Am(...)

Cairo university students and members of the Muslim Brotherhood shout slogans against the military in front of Cairo University in Cairo earlier this week. Photograph: Mohamed Abd El Ghany/Reuters

The US said last night it would withhold deliveries of tanks, fighter aircraft, helicopters and missiles as well as $260 million (€192 million) in cas(...)

Edward said  that he could from his desk “wiretap anyone, from you or your account, to a federal judge or even the president if I had a personal email.

Further details on the scope of secret surveillance conducted by the US National Security Agency were released as a fresh leak of material showed h(...)

A protester carrys a portrait of Edward Snowden during a weekend demonstration against secret monitoring programmes PRISM, TEMPORA and  INDECT  in Berlin.  Photograph: Pawel Kopczynski/Reuters.

New revelations from former security contractor Edward Snowden that US intelligence agencies have access to a vast online tracking tool came to light(...)

A protester holds a placard showing US president Barack Obama with the phrase “Yes we scan” during a demonstration against the National Security Agency  and in support of Edward Snowden in Frankfurt. Photograph:  Kai Pfaffenbach/Reuters.

The deputy director of the US National Security Agency said today that no one had been fired and no one had offered to resign over former security co(...)

Tánaiste Eamon Gilmore TD: to meet members of the US congress to lobby for their support for new immigration legislation. Photograph: Brenda Fitzsimons/The Irish Times

Tánaiste and Minister for Foreign Affairs Eamon Gilmore lands in Washington DC today to meet members of the US congress to lobby for their support for(...)