Hamas is already saying they will kidnap additional people after the obvious sucess this deal brought them. The answer is simple. Don't capture terrorists in the future, jsut shoot them. Then there is no one in Israeli prisions to trade for. Of course the world would protest but Israel needs to figure out that it does not matter what they do the world will not like it anyway.
Saudis warns U.S. that 9/11 responsibility law would erode investor confidence in America (Reuters)