Bernie vs Biden: Two septuagenarians lead Democratic field ahead of Iowa caucus
US former vice president Joe Biden (L) and liberal Senator Bernie Sanders were two of the six candidates who clashed during the final Democratic presidential debate before Iowa begins the voting process on February 3, 2020 AFP / Robyn Beck

He’s the oldest candidate in the White House race, but Bernie Sanders has managed, yet again, to energise young voters with polls showing him running neck and neck with former US vice president Joe Biden in the Iowa caucus. But the first test of the US presidential race is known for throwing up surprises.As the first vote in the 2020 Democratic race to challenge US President Donald Trumpkicks off in the Midwestern state of Iowa Monday, Sanders has emerged as a candidate on the rise, with the 78-year-old Vermont senator tied with Biden, 77, in several polls.Biden and Sanders were tied at 25 per...

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