Will video Hangouts launch when you're on AT&T's 3G network? Can you FaceTime with a friend over LTE? The carrier's current video chat support is confusing at best. Following Google's Hangouts app launch last week, we attempted to try out the Android version over AT&T's HSPA network. After hitting connect, a message popped up instructing us to hop over to WiFi in order to complete the call. The carrier foll
