Duignan Says Machinery Demand `Not Tapped Out'

March 5 (Bloomberg) -- Ann Duignan, an analyst at JPMorgan Chase & Co., talks about the outlook for U.S. machinery manufacturers and the mining industry. She speaks with Tom Keene and Sara Eisen on Bloomberg Television's "Surveillance." Jason Trennert of Strategas Research Partners also speaks. (Source: Bloomberg)
Polygraph Expert Shows How to Beat a Lie Detector Test
28:41 - Doug Williams is a former Oklahoma City detective sergeant. As an officer in the department's internal affairs and polygraph unit, he conducted thousands of polygraph tests. In the late 1970s, however, Williams began to doubt that the so-called lie detector actually is such a thing, and within a decade he had evolved into one of the most vocal, visible, and theatrical critics of the polygraph. Williams shows Bloomberg exactly how simple it is to manipulate, and beat, the lie detector test. (Video by Jennafer Savino and Justin Beach) (Source: Bloomberg)
  • How U.S. Green Energy Rules Will Boost Solar Tech
  • Why Open Source Software Growth Is Rising
  • Which Companies Are Worth Having Patience For?