The Amazing Lives Of Migratory Birds

Author Scott Weidensaul talks about the millions of birds flying unseen over our heads in the night sky, how the bar-tailed godwit can fly more than a week over water without stopping, and how new tracking technology may help with strategies to keep them alive. His new book is 'A World on the Wing.'Also, Ken Tucker reviews the first full-length solo album from gospel singer Elizabeth King.