>>shepard: coca-cola and pepsi are changing the way the carmel coloring in soda looks, because it is added as a chemical that is known to cause birth defects. pepsi said when california added this to the list we asked our suppliers to modify the manufacturing process which they have done, and coca-cola writes, we have asked our caramel manufacturing to modify their production process but it has no change if the great tasting products which consumers expect. and now crisis communication expert. peter, thank you, nice to see you. who is a -- they will have to make their color in a different way and i don't care at all.