Boxing: Tua retires after defeat  By Paul Lewis  In the end
Goliath was just too big for David - and David Tua ended his
heavyweight boxing career in retirement last night.  With the
words: "It's time for me to do something else, I think", Tua is
gone from the ranks of the heavyweights and retired as New
Zealand's leading modern boxer.  Alexander Ustinov might be
2.03m and 132kg and not the fastest boxer ever seen in the ring
- but for Tua, it was like fighting a tree with a 2m jab.
Ranked 8th, 12th and 15th in the world respectively in three of
boxing's four world bodies, Ustinov looked a formidable opponent
as the two faced each other in the ring, the height and weight
advantage crystal clear; Ustinov's waistband came up to Tua's
chest.  He won a comfortable victory in the end, a unanimous
points decision, in spite of a barnstorming Tua finish in the
12th round. By that time, Tua needed a knockout to win and was
taking a punch from the big Belarusian to give on.  There was
once another Ustinov - actor, wri