The private dealings involving Hillary Clinton and her  advisers were revealed through emails released in response to  her use of a personal email account to conduct US government business. Photograph: Reuters

Hillary Clinton ruled herself out of a panel discussion on Northern Ireland in 2009 involving Irish and British politicians at a meeting of her family(...)

 Pooja Mandagere (left) and Natalie Thompson celebrate  outside the US Supreme Court following the announcement of the ruling  that the constitution guarantees a nationwide right to same-sex marriage.  Photograph: Doug Mills/the New York Times

US president Barack Obama hailed a Supreme Court ruling legalising same-sex marriage across the country as a “victory for America.” The ruling mean(...)

And so, with Bush and Clinton dynasties now formally with a horse in the race, it might be tempting to see the emerging 2016 presidential election – 1(...)

Hillary Clinton, former US secretary of state,  formally began her campaign for president on Saturday, and surprised most observers with an unapologetically liberal and populist speech Photograph: Daniel Acker/Bloomberg

On Friday, Democrats in the United States House of Representatives shocked almost everyone by rejecting key provisions needed to complete the trans-Pa(...)

Republican US presidential candidate and former Florida Governor Jeb Bush formally announces his campaign for the 2016 Republican presidential nomination during a kickoff rally in Miami, Florida. Photograph: Joe Skipper/Reuters

Former Florida governor Jeb Bush vowed to fix a dysfunctional Washington as he began his US presidential bid on Monday with an attempt to move out (...)

‘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(...)

 Hillary Clinton is the clear frontrunner for the Democratic presidential nomination in 2016, polling well ahead of three other candidates: Vermont senator Bernie Sanders, former Maryland governor, Irish-American Martin O’Malley and Lincoln Chafee, the former governor of Rhode Island. Photograph: Paul J Richards/AFP/Getty Images

Irish supporters of Democratic presidential candidate Hillary Clinton are hosting an event in Dublin on Saturday to coincide with a set-piece speec(...)

Former US president Bill Clinton speaking during the Forbes’ 2015 Philanthropy Summit Awards dinner in New York City last week. Photograph: Dimitrios Kambouris/Getty Images

Former US president Bill Clinton has insisted that criticism of his family’s charitable foundation is nothing more than “politicking” during an electi(...)

Hillary Clinton at Texas Southern University, Houston, where she delivered her most aggressive speech since she announced she was running for president.  Photograph: Pat Sullivan/AP Photo

Republican senator Ted Cruz was firing up conservatives gathered to support his colleague Pat Roberts, who was struggling to hold on to his US Senate (...)