Democratic US presidential candidate Hillary Clinton: Bernie Sanders’s populist surge has led some top Democrats to wonder if Barack Obama will have to step in and endorse her campaign. Photograph: Adrees Latif/Reuters

Hillary Clinton first grabbed the national spotlight 47 years ago as an idealistic young feminist, chiding the paternalistic establishment in her Well(...)

South Korean soldiers draw down a cover from loudspeakers, just south of the demilitarised zone separating North and South Korea, in Yeoncheon, South Korea. Photograph: Reuters

South Korea broadcasted a high-decibel propaganda barrage across its border with North Korea on Friday in retaliation for its nuclear test, while the(...)

South Korean protesters burn an effigy of North Korea leader Kim Jong-Un during a  rally against development of nuclear weapons on January 7th, 2016 in Seoul, South Korea. Photograph: Chung Sung-Jun/Getty Images

The United States called on China on Thursday to end its “business as usual” relationship with its ally North Korea after Pyongyang defied world power(...)

US House Speaker John Boehner:   President Barack Obama and top lawmakers from both parties reached a tentative budget agreement that would avert a US debt default. Photograph: Andrew Harrer/Bloomberg

The White House and congressional leaders reached a two-year budget deal overnight to lift mandatory spending caps on defense and domestic programs an(...)

House speaker John Boehner  announces his resignation: he decided to act following the “awesome sight” of the pope’s historic address to congress. Photograph: Jonathan Ernst/Reuters

The Republican speaker of the House of Representatives John Boehner surprised colleagues and the wider political establishment in Washington by annou(...)

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(...)

President Barack Obama: ‘This law is now helping tens of millions of Americans.’ Photograph: AP Photo/Pablo Martinez Monsivais

For years, US president Barack Obama has faced the sneers of political adversaries who called his health care law Obamacare and assailed his effort to(...)

‘The president descended from the mountain for half an hour on Thursday evening, materialising at Nationals Park to schmooze with Democrats and Republicans at the annual congressional baseball game.’ Photograph: Aude Guerrucci/Getty Images

On Saturday mornings, I love to watch reruns of the television Western The Rifleman. Each show is a little moral fable, with Chuck Connors’s widowe(...)

US President Barack Obama walks through a hallway after meeting with House Democrats at the US Capitol  in Washington. Photograph: Mandel Ngan/Getty Images

President Barack Obama suffered a humiliating defeat on his planned free trade deals as Democrats in the House of Representatives rebuffed a last-minu(...)

Panti raises her arms with supporters for same-sex marriage at Dublin Castle on Saturday. Photograph: Paul Faith/AFP/Getty Images.

Tributes and expressions of pride continued to come from political figures in the United States on Saturday in response to Ireland’s unprecedented pop(...)