David Tua: Last roll of the dice?

Heavyweight boxer David Tua talks to nzherald.co.nz Video Producer Steven Orsbourn about the challenge of the Ustinov fight, the comparisons to the Lennox Lewis title fight with a pre-fight injury and the tactics of fighting a much larger and higher ranked pugilist; and what happens if he loses the David v Goliath bout to resurrect his career.