Robert Siegel speaks with writer William Langewiesche, national correspondent for the magazine The Atlantic Monthly. Just days after Sept. 11, Langewiesche gained unrivalled access to the World Trade Center recovery site. The result is a three-part series in The Atlantic Monthly called "American Ground: Unbuilding the World Trade Center." (7:30) The first installment of Langewiesche's series is in the July/August issue of The Atlantic Monthly. It will be also be published in book form by North Point Press, Farrar Strauss and Giroux in late October.