Can the Wolves win longterm with Kevin Love and Al Jefferson as their primary big men?

With 7 minutes, 40 seconds remaining Saturday and the Timberwolves trailing Memphis by seven points, Ramon Sessions, Kevin Love and Al Jefferson combined on a three-way passing play that inspired a fourth-quarter comeback to extend their current winning streak to four games.  Love's instant touch pass to Jefferson for a dunk demonstrated the pair of undersized power forwards can play together.  But ... can they play together?  Wolves boss David Kahn reiterated Monday he won't deal any of his top players -- "Firm as firm can be," he said. "It'd be a mistake of epic proportions." -- by the Feb. 18 trade deadline.  But can two similarly sized players with disparate games defend the basket well enough to play together side by side for years to come?  Five NBA head coaches offer their opinions