[youtube https://www.youtube.com/watch?v=rofgMueCOqo?enablejsapi=1&] Samsung and Apple have been going head-to-head with claims on the Galaxy SIII and the iPhone 5, respectively. But until now, neither has been able to answer one question: Will it blend? In this stress test by Blendtec, it appears that Samsung has an edge. The Galaxy SIII holds out longer than the…