Taken as a whole, the day, with the latest Republican debate, only served to harden the divisions tearing the GOP apart and raise dire doubts about whether its factions could unite in the general election.

The night started with a joke about the size of Trump's genitalia - and went downhill from there, often devolving into hard-to-comprehend shouting matches.

Russian's plan is "the best opportunity the Syrian people have had over the past five years for lasting peace and stability".

COMMENT: Being attacked by Romney is more likely to cement Trump's hold on the nomination than loosen his grip on it. Here's why.

The terrorist group is making millions by funnelling dollars looted from banks into legitimate currency markets in the Middle East.

John Key has confirmed that if we vote to change the flag, the changeover would definitely take place before the Olympics in August.

Ben Carson, the retired neurosurgeon who briefly led the Republican presidential race, will not attend Thursday's debate in Detroit, according to those familiar with his plans.

Chris Christie had the best reaction to Donald Trump. And then Twitter had the best reaction to Chris Christie.

Clinton and Trump each won seven of 11 state races as they distanced themselves from party rivals and looked ahead to a November presidential election showdown.

The biggest day - and night - of the 2016 presidential primary season is (mostly) in the books. Who stood out, and who took a hit?

Trump has put KKK back in spotlight but group has been trying to influence elections for a long time.

COMMENT: Every day it is less surprising that Trump does best in the areas of the country with the most racist Google searches.

Donald Trump and his rivals brawl on for the Republican presidential nomination as Hillary Clinton sails towards Super Tuesday.

A former CIA director believes there is a legitimate possibility the US military would refuse to follow orders given by Donald Trump if he became president.

The Prime Minister doesn't want to share any opinions he might have on the US presidential election.

Concerns have also surfaced that those unaccounted for could include Islamic extremists or criminals who posed as refugees.

If you like it, vote for it. If you like the present flag better, vote for it. Don't let anything else get in the way, writes Audrey Young.

This is why national elections are so fascinating. Every four years, Americans collectively paint and present to the world a picture that communicates their aspirations and fears. It is a picture that enables us to see the character of a nation.

At a few points, the audience booed Clinton and the stances she's taken.

Marco Rubio and Ted Cruz teamed up to run an aggressive attack on Trump in the last debate, but were they too late?

COMMENT: The barbarian is no longer at the gate. He's inside the castle and heading for the throne room, writes Paul Thomas.

Jenna Johnson, The Washington Post's lead reporter covering Trump, shares her experiences following the billionaire businessman.

By the time you sit down to eat your turkey this Christmas, Boris Johnson and Donald Trump could lead the English-speaking world, writes Peter Foster.

Republican presidential candidate Marco Rubio has received boosts in his drive to become the mainstream Republican alternative to Donald Trump.

NZ Trade and Enterprise has released a new set of guidelines for doing business with post-sanctions Iran.

Hillary Clinton badly needed to win the Nevada caucuses. And she won them.

David Cameron's Cabinet split apart yesterday just minutes after he called a historic in-out referendum on membership of the European Union.