Nikki Haley has withdrawn from the US presidential race meaning we're in for another Biden-Trump election. 

The former South Carolina governor announced her decision to suspend her campaign this morning, a day after Super Tuesday. 

Republican frontrunner Donald Trump beat her soundly in all but one of the 15 nominating contests. 

US correspondent Mitch McCann told Mike Hosking that Haley has yet to endorse Trump. 

He says it's possible she will in the future, but it's hard to see that happening given what she's been saying about him over the past few months. 

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