Bucking the movement of immigration to the US, there has recently been noticeable growth in "reverse migration," a phenomenon where offspring of immigrants, or those who immigrated to the US as children are now migrating back to their countries of origin. Laura Ling reports on how and why this is happening, specifically back to Asian countries of origin. In studio, Madeleine Brand speaks to Michael Apted, director of the "Up" documentary series, which began with a group of children in 1964 and has revisited the same group every seven years since. He has recently released his latest installment in the series, "56 Up." And L.A.'s final farewell to Huell Howser.