COMMENT: Rachel Stewart, winner of the 'Opinion Writer of the Year' award at 2016 Canon Media Awards, has joined the Herald. Here is her first column.

Donald Trump is scrambling to rescue his campaign after the discovery that he may not have paid income taxes for 18 years.

Donald Trump just had a week to forget, capped off by a bombshell report about his tax returns.

Alec Baldwin has made a mockery of Donald Trump on Saturday Night Live when he parodied the brash billionaire's debate with Hillary Clinton.

COMMENT: Public speaking is an anxiety-inducing task for most us. And like the rest of us, presidential candidates stumble when speaking in public.

Donald Trump: Greetings planet Earth. Excuse me a moment while I receive a message from another dimension.

COMMENT: As the US decides possibly to elect the worst human being, it felt pertinant to consider the worst fictional US presidents offered by Hollywood.

As Trump and his surrogates taunt her, Clinton finds herself in a familiar place.

Beer commercials, bad jokes and multimillion-dollar deals: TV ads turned the presidential debate into a new Super Bowl.

Donald Trump supporters are up in arms at what they claim was favourable treatment of Hillary Clinton by the NBC anchor Lester Holt.

COMMENT: The first US presidential debate between reality-television star and wealthy builder Trump and former Secretary of State Clinton was mind-blowing.

If Hillary Clinton wins the US presidential election in six weeks' time, a great deal of the credit could go to her demeanour in last night's first debate.

The United States is very much at the centre of our political attention at the moment. For us we're watching the rise and fall of

The US presidential election reaches the biggest set piece event remaining - the first debate.

The first debate of the US general election is often the most treacherous - especially for the candidate who steps on stage with the presumed advantage.

Sharemarkets fell sharply on reports that at least two members of US Federal Reserve board favour raising its base interest rate when it meets this week.

Donald Trump said the bodyguards assigned to his rival Hillary Clinton should "disarm immediately" and "see what happens".

Clinton cancelled two days of campaigning, inserting new speculation about her health into a campaign in which Trump has called her weak and unfit.

Hillary Clinton has stumbled, verbally and physically, in the past few days.

COMMENT: The truth is we're all more Donald than we would like to be. But how many Trump traits do you have?

Clinton's claim that half of Donald Trump's supporters fit into a "basket of deplorables" prompted a swift and negative reaction from Republicans.

COMMENT: Why is the US election down to being between Donald Trump and Hillary Clinton? Alan Duff reckons it's because the US is weird and contradictory.

Donald Trump's physician declared his patient healthier than all 43 American presidents.

The FBI's year-long investigation of Hillary Clinton's private email server uncovered 14,900 emails that had not been disclosed by her attorneys.

Documents of Ukraine's pro-Kremlin party reportedly show payments of $12.7 million earmarked for Donald Trump's campaign chairman.

She shares her husband's aversion to introspection or doubt, whether the topic is politics, parenting or personal relationships - but who really is Melania Trump?

Under fire Trump campaign chairman and chief strategist Paul Manafort has resigned from the campaign.

Big data analytics is helping businesses and governments to make strategic, well-informed decisions.

Donald Trump proposed a new ideological test for all Muslim immigrants and visitors to this country, allowing entry only to "those who support our values."