Business 2.0: In their quest for the next big thing, Verizon Wireless and its carrier cronies have zeroed in on mobile video as their savior-of-the-day. Matt Maier says it’s not ready for prime time–and won’t be anytime soon. Need proof? Spend five minutes trying to watch Katie Couric wax eloquent about events in the middle east…on your phone. That outta do the trick.