Crazy-Talk with Zakir Naik

According to the Quran (4:34), Muslim men can beat their wives into submission. Muslim apologist Zakir Naik claims that the beating is only symbolic, done with a toothbrush or a handkerchief. But if the beating is only symbolic, how can we understand passages in the Hadith about Muhammad beating Aisha or a woman being beaten until her skin turned green? Anthony Rogers discusses the problem.