What makes someone an angry drunk?

http://bodyodd.msnbc.msn.com/_news/2011/12/19/9565372-what-makes-someone-an-angry-drunk

Impulsive, live-in-the-moment types are likely to become aggressive when they're intoxicated, according to a new study from Ohio State University's Brad Bushman, a professor of communication and psychology at the school. "We already know that alcohol increases aggression. And people who have aggressive personality traits also tend not to think about the consequences of their actions," Bushman says. "You put the two together, and it's really a toxic mix."