The frontrunners for the Democratic nomination to take on Donald Trump later this year for the US presidency have sparred for one final time before the voting process begins.
The debate touched on impeachment and healthcare, as well as the bushfire crisis in Australia.
US correspondent David Lipson reports from Washington.
Read more here: https://www.abc.net.au/news/2020-01-15/won-who-democratic-debate-iowa-trump/11863302
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