Democratic Senator Chuck Schumer, who has said he will oppose the nuclear deal between Iran and world powers. Photograph: Andrew Harrer/Bloomberg

US president Barack Obama’s hopes of preserving the nuclear deal between Iran and world powers have been dealt a setback with the announcement by C(...)

Barack Obama: said the deal with Iran was the “strongest non-proliferation agreement ever signed”. Photograph: Jonathan Ernst/Reuters

Barack Obama criticised opponents of the nuclear agreement with Iran yesterday, accusing them of using many of the same arguments that had been made t(...)

A picture of Kate Steinle is set up at a Senate hearing last week. The 32-year-old was allegedly shot by an immigrant who had been deported to Mexico five times. Photograph: Michael Reynolds/EPA

Pier 14 is one of the most beautiful tourist spots in San Francisco, jutting out next to the Bay Bridge that connects the city to Oakland and Berkeley(...)

Kevin O’ Malley, US ambassador to Ireland, and his wife Dena, with former tánaiste Michael McDowell SC and Dr Joe Mulholland, director of the Patrick MacGill Summer School at the opening in Glenties, Co Donegal on Sunday night

Former tánaiste Michael McDowell has called for urgent “now-or-never” change before the general election that would see the next ceann comhairle elect(...)

Those who led  the talks between the E3+3 (France, Germany, UK, China, Russia, US) and Iran in Vienna on Tuesday Foreign ministers from six world powers and Iran finally achieved an agreement to prevent the Islamic republic from developing nuclear weapons. Photograph: Herbert Neubauer/EPA

US president Barack Obama has proclaimed a landmark nuclear deal with Iran, the conclusion of 12 years of negotiations, as a “meaningful change” that(...)

 President Barack Obama: stressed that there was no alternative to the deal. Photograph: Getty Images

The tough negotiations leading to a nuclear deal with Iran may have concluded in Vienna, but the hard work on selling the agreement to sceptical Repub(...)

President Barack Obama, with Vice President Joe Biden, at a press conference in response to the Iran nuclear deal. Photograph; Andrew Harnik/Getty Images

US president Barack Obama faces stormy weeks ahead as he must convince fellow Democrats and Republicans at home and disgruntled allies in the Middle E(...)

Man  holds a confederate battle flag and Bible outside the statehouse in Columbia, South Carolina, on Thursday, just hours before Gov Nikki Haley signed a Bill to remove the flag from statehouse grounds. Photograph: Jason Miczek/Reuters

The Confederate battle flag, which has reignited a national debate since last month’s killings of nine black churchgoers in South Carolina, is to b(...)

Office of Personnel Management in Washington: data on millions of US government workers has been hacked. Photograph: Shawn Thew/EPA

Rarely has a computer hack of personal information, allegedly by agents of a foreign government, caused such a stir in Washington DC. A breach at the (...)

The state flag of Mississippi, which incorporates the   Confederate flag , is displayed with the flags of the other 49 states and territories in the tunnel connecting the senate office building and the US Congress. Photograph: Chip Somodevilla/Getty

The Confederate flag has meant different things to different people over the years in the United States. It is far more than just a diagonal blue cros(...)