Go to the internet and find a news article that discusses antitrust legislation in the U.S, and summarize key points. Be sure to use the concepts and frameworks we are covering this week. For example, you may want to address what externality the is regulation attempting to address? Is is a positive or negative externality? Is there an alternative policy approach that may work better/worse (taxes or subsidies, for example) and why? How effective does the current regulation policy appear to be working?