Since the Rafah border opened between Egypt and Gaza opened last week, it has been flooded with people hoping to leave. With food, water and electricity in short supply, thousands of people in Gaza are hoping for a chance to flee to Egypt. But so far, only a trickle of people have been allowed to pass through, a few hundred at a time. NPR's Mary Louis Kelly is reporting from Tel Aviv, and spoke with an American citizen who managed to make it out of Gaza.