Earthquakes and Cyclones

The news about these tragedies is so sad. And uncomprehendable. I saw clips about people in China now being evacuated for fear of flooding after the earthquake. I just can't imagine being in these people's situation, or why in the world we have to have these tragedies. It is like Katrina all over again, but bigger and worse. I wish I could help--I just don't know what to do.