Joe Biden and Hillary Clinton:  Biden is talking to friends, family and donors about jumping in. The 72-year-old vice-president has been having meetings to explore the idea of taking on Clinton in Iowa and New Hampshire. Photograph: Luke Sharret/The New York Times

A pattern of cutting corners, a patina of entitlement and inevitability, has led to this. Destroying digital messages and thwarting official investiga(...)

 Donald Trump  as he announces his candidacy for the US presidency:  his comments about Mexicans   have made him stand out in a crowded field of Republican candidates. Photograph:  Christopher Gregory/Getty Images

It’s hard to say what’s more shocking: the outrageous remarks property magnate Donald Trump has made since he announced his presidential candidacy or (...)

Jim Yong Kim, president of the World Bank: “Every single country we look at, we ask ourselves the question: is this particular choice of investments that we are making - is it going to reduce inequality and lift people out of poverty or is it going to make inequality worse?.” Photograph: Frank Rumpenhorst/EPA

“The Koreans have a saying that you bury your spouse in the ground but you bury your children in your heart,” said Dr Jim Yong Kim. The Korean-born h(...)

Former Governor of Maryland Martin O’Malley waves to the crowd with his wife, Katie, after formally announcing his campaign for the 2016 Democratic presidential nomination in Maryland. Photograph: Jim Bourg/Reuters

Barbara O’Malley recalls the first time her son Martin ran for office. It was high school, the eighth grade and O’Malley was 14. As well as passing on(...)

Extreme sports personality Dean Potter and his dog Whisper in an undated handout photograph. Tributes have been paid to Potter after his death in a Base jumping accident over the weekend. Photograph:  EPA/Adidas AG

Dean Potter was an artist and a visionary, friends and contemporaries said today, following the death of the extreme climber in a Base jumping acciden(...)

Martin O’Malley, who is expected to announce his candidacy for US president shortly. Photograph: Tom Williams/Roll Call via Getty Images

Martin O’Malley, a likely contender to be the Democratic Party’s presidential candidate, is due in Dublin on May 24th after cancelling a trip last mon(...)

Potential Democratic presidential nominee Hillary Clinton  at Columbia University in New York. Ms Clinton has  voiced her support for immigration reform in the US during a fundraising function. Photograph: Brendan McDermid/Reuters

America’s immigration problem needs to be addressed, in a way that helps families, potential Democratic presidential nominee Hillary Clinton has sa(...)

Possible presidential candidate Martin O’Malley: the presidency is “not some crown to be passed between two families”. Photograph: Win McNamee/Getty Images

The message from Democrats in South Carolina, delivered with that soft southern twang, is this: assume victory here at your peril.It’s 19 months out f(...)

Senator Elizabeth Warren: ‘No more secret deals. No more special deals for multinational corporations.’ Photograph: Yuri Gripas/Reuters

Powers that would allows US president Barack Obama to agree trade deals with Asian countries and the European Union, as well as the deals themselve(...)

Hillary Clinton meets and greets supporters after a discussion at Whitney Brothers in Keene, New Hampshire, on Monday. New Hampshire will be the first to hold a presidential primary. Photograph: The New York Times

The event is beautifully staged: the owner of the business and six employees sit around as Hillary Rodham Clinton fields questions and shares her view(...)