CHRIS HEWETT
GUEST COLUMNIST

It is often argued, usually by politicians reneging on a manifesto promise, that “the perfect is the enemy of the good”.
Which is true, no matter who happens to be saying it. If you require proof, ask Toulouse.
The reigning French champions are rarely less than good: on one of their frequent hot streaks, they leave “good” behind in pursuit of something better. But in Dublin last weekend, they ran into a Leinster side on the cusp of perfection – the very last kind of enemy Antoine Dupont and company needed to see in a major European semi-final.
When it com...