Brendan Fanning: Leinster erred by not following up Jocelino Suta's nasty choke

Midway through the first half of the Premiership game between Saints and Wasps in Franklins Gardens last month, George North was knocked out cold. There was a time not too long ago when the image you immediately associated with the Wales wing was of a powerful athlete on the rampage. Now it's of a man in trouble: bang; lights out; game over.