Fore Shocks News Today

they have lines you can call in before you take your kids on a trip. >> get me up to speed on the elderly. didnt they change? >> they did. were talking limited screening, too. people over 75 at a couple of airports, four, can keep their shoes on, a light jacket, they can go through the metal detector or screening device to try to avoid that pat-down. this is part of eliminating the pools of risk as the tsa calls it. >> a kinder, gentler trip for the rest of us. thanks so much, lizzie. ...

Several strong earthquakes, you might not know this. several strong earthquakes rocked japan in the days before fridays big 9.0 quake. they call them fore shocks. they say they dont help us determine what is coming next at all. the question we are asking today is is this event in japan really a game changer. joining us is john evil a seismologist and the director of environmental sciences at boston college. starting off with your observations. last few days, seismology being your passion whats b...