The FBI's director has been warned he could have broken US law by announcing an investigation into emails potentially linked to Hillary Clinton.

Hillary Clinton enters the final full week of the US presidential race on the defence once again over her use of a private email system.

Hillary Clinton’s one-time rival in the White House race, Bernie Sanders, is launching a national movement to help propel progressive candidates into power in the US general election.

US president Barack Obama has declared Donald Trump “unfit” and “woefully unprepared” to serve in the White House.

Hillary Clinton stepped into history by becoming the Democratic party’s nominee in the White House race but does she have what it takes to make history in November?

With police killings of black people still at disproportionately high levels, Obama’s endorsement of Clinton encapsulates the progress in race relations even as they remain riven by tensions, writes Bette Browne

Christopher R Hill says we may balk at the hyper-nationalism of North Korea’s regime, but nationalism is on the rise globally — just look at Donald Trump’s White House campaign

Labour can only win elections if it reaches beyond its own activists, Sadiq Khan has said in a clear message to party leader Jeremy Corbyn.

The legend that is Warren Buffett spread in an even wider arc around the globe at the weekend, as the iconic Berkshire-Hathaway annual general meeting streamed live on the internet for the first time.

Pfizer will need to reduce the cost of producing some of its core products by up to 20% and stay extremely focused on competitiveness in the coming years, according to the head of its Cork operations.

Republican presidential front-runner Donald Trump is calling on rival John Kasich to get out of the White House race, arguing that the Ohio governor should not be allowed to collect future delegates because the nomination is already beyond his grasp.

Ted Cruz and Donald Trump each captured two victories in yesterday's four-state round of voting in the Republican race for the White House.

With US Republicans sharply split over a front-runner they cannot unite behind, a new group is trying to push the country’s top elected Republican, Paul Ryan, into the White House race.

Fresh off a runaway win in the South Carolina primary, Democrat Hillary Clinton turned her sights to a possible match-up with Republican frontrunner Donald Trump in the November 8 presidential election.

Scott Walker has halted his 2016 White House bid, warning the Republican race has become too nasty and calling on some of his party rivals to do the same, citing an urgent need to “clear the field” to help defeat front-runner Donald Trump.

THERE are many, very many, legitimate reasons to be concerned about an influx of desperate refugees into a small country struggling to provide — or establish — reliable social services but none of them carry enough weight to give us an excuse to avoid doing what is so obviously the right thing.

EVEN if you leave aside the absurd fact that an American presidential race where the two frontrunners — Jeb Bush and Hilary Clinton — represent long-tailed dynasties that have already had their feet under the Oval Office table for two decades, the tremendous sums committed to succeeding President Barack Obama hardly show democracy, or at least American democracy, in an inspiring or reassuring light.

Senator Rand Paul, a favourite of the conservative tea party movement and frequent antagonist of leaders of his own Republican Party, has declared his candidacy for US president.

Your coverage of the failure to resolve the issue of undocumented Irish during the White House meeting between Taoiseach Enda Kenny and US President Barack Obama (Stalled US immigration progress ‘disappointing’, March 18) will have brought St Patrick’s Day celebrations in many homes to a swift end.

The US Secret Service said two agents were under investigation after an incident last week in which they were reported to have driven a government car into White House barricades after drinking at a late-night party.

Barack Obama is calling on Muslims around the world to fight the misconception that groups like the Islamic State speak for them.

The thing about impromptu moments in politics is that often they work, sometimes they fall flat, but occasionally they turn out downright awkward. Vice president Joe Biden learned that the hard way — twice.

Hagel leaves after rocky tenure and crisis prompted by rise of Isis

EARLIER this week the all-powerful, life-giving or life-denying European Central Bank published the results of its stress tests on 130 of Europe’s banks. Only 25 failed and just one — and what a welcome “just” that is — is Irish.

HOW formidable a potential candidate is Hillary Clinton?

Given the potential gains, hoax attacks such as the recent fake White House bomb tweet from Associated Press will continue, write Chris Clearfield and András Tilcsik

Congressional leaders showed no signs of giving ground to resolve the next step in America’s financial crisis, with Democrats still talking about higher taxes on the wealthy and the Senate’s top Republican suggesting a crippling default on US loans was possible unless there were significant cuts in government spending.

US President Barack Obama and Bill Clinton will campaign together next week in three of the most competitive battleground states.

Barack Obama and Mitt Romney will tangle over foreign policy in their final presidential debate tonight, both candidates still looking for a breakout from a deadlocked White House campaign with just two weeks to run.

Republicans lashed out at President Barack Obama and his administration chiefs over their evolving description of the deadly September 11 attack on the US consulate in Libya.

Even though the American Civil War ended nearly six decades before our own, that country, still the world’s biggest economy, still the great superpower, seems polarised in a way unimaginable in contemporary Ireland or Europe.

As the gold-dust settles on one four-year cycle — the London Olympiad — another — the American presidential race — intensifies as its Nov 6 day-of-reckoning approaches.

A man has been arrested in connection with an investigation into a shooting near the White House, the US Secret Service said.

President Barack Obama says the US can support all the allegations of an alleged assassination plot against a Saudi Arabian diplomat and show the world that it was reckless behaviour on the part of the Iranian government.

FIFTY years ago, John F Kennedy proclaimed himself “the man who accompanied Jacqueline Kennedy to Paris”.

TEA PARTY favourite Sarah Palin gave the strongest indication yet she is preparing a 2012 White House bid, saying she would run for president “if there is nobody else to do it”.

Crowds of Palestinian youths went on the rampage in east Jerusalem today as a sudden burst of violence clouded fragile peace efforts.

Scores of Hamas members were arrested in sweeps by Palestinian security throughout the West Bank overnight after the shooting of four Israelis on the eve of new Middle East peace talks.