O government surveillance and data mining operations do more good in protecting against terrorism than they do harm in violating privacy?

Using a search engine, find at least three different opinions on the following topic -in addition to those in the reading assignment -and write a 500-word paper using those sources and your own interpretation to argue for or against. A clustering search engine such as Vivisimo may be more helpful than EBSCO in finding a range of opinion.

Topic
Do government surveillance and data mining operations do more good in protecting against terrorism than they do harm in violating privacy?