Amtrak announced that passengers will have to submit to random screenings of carry-on bags in a major security push. Professor Joseph King sees this latest measure as a good thing. "There is a benefit, no question. A presence of heavily armed police officers with dogs does give a very vivid portrayal of security to people." Prof. King also talks about counterfeit goods and why buying a knock-off handbag on Canal Street isn't as harmless as it seems. Listen Now