Haitians Carve a Dangerous 7,000-Mile Path to U.S.

After decades of using the Florida straits to flee poverty and political turmoil, Haitians have carved out a new route to get to the United States. It's a staggering 7,000-mile journey over land, by bus, canoe and on foot, fraught with danger. Now the U.S. has issued a warning: turn back.