Now Playing: 04-11-12 Marketplace

The Apple assembly line has been shrouded in secrecy -- until now. China correspondent Rob Schmitz brings a rare glimpse inside a Foxconn factory in Shenzhen. Meanwhile, the U.S. has filed an antitrust suit against Apple and some publishers over e-book pricing. Europe's stock markets made up some lost ground today, but yesterday's turmoil reminded investors that the eurozone debt crisis hasn't gone away. Kai Ryssdal talks to a roundtable of small business owners about the Buffett Rule. And director Mike Nichols discusses his Broadway revival of "Death of a Salesman."