sentences:  Carlton fought back in the second quarter to regain the lead with goals by Fraser Brown, Scott Camporeale and Matthew Lappin, and it looked like the Blues had the momentum until North Melbourne ruckman Corey McKernan booted two inspirational goals, the first from 65 metres out and the second from a tight angle just a minute later.The Kangaroos had regained control and went into half time with a 20-point lead.North Melbourne extended their lead in the third quarter when Winston Abraham kicked an easy goal before Carlton midfielder Justin Murphy injured his knee.