In one of the last public opinion surveys of American voters before the New Year, Hillary Clinton and Donald Trump are comfortably in the lead.
The first votes which actually count for the U.S. presidential nomination races will be cast at the Iowa Caucuses in early February.
Our U.S correspondent Priscilla Huff reports:
IN: "The good news...
OUT: SOC
DUR: 55
POT: 32
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