The Speed Traders/City of David/Lady Gaga

The Speed Traders – Steve Kroft gets a rare look inside the secretive world of “high-frequency trading,” a controversial technique the SEC is scrutinizing in which computers can make thousands of stock trades in less than a second.

City of David – Lesley Stahl reports from under the city of Jerusalem from a controversial archeological dig that has become a flashpoint in the Israeli-Palestinian conflict.

Lady Gaga – With her outrageous costumes and mega hit dance songs, Lady Gaga has become the world’s most talked about entertainer.