New Zealand’s Steve Hansen keeps focus after display for the ages against France

• All Blacks coach: ‘We haven’t won the thing, so we can’t get too excited’• Julian Savea has World Cup try record in sight after thrashing of FranceIt is 20 years since New Zealand delivered a more compelling World Cup performance than that which illuminated Cardiff on Saturday night. The last time they treated the tournament to anything so spectacular was in Cape Town in the 1995 semi-final when England were steamrollered by a certain Jonah Lomu. France were similarly powerless to stop Julian Savea and his friends running amok.Move over Zinzan Brooke, Andrew Mehrtens, Walter Little and Frank…