1.  New York:  “Federal Government Sues Over Arizona Immigration Law

2.  Wall St. Journal:  “U.S. Sues to Block Arizona Immigration Law

3.  Associated Press:  “Gov’t files suit to throw out AZ immigration law”

4.  Fox News:  “Illegal Immigration Costs U.S. $113 Billion a Year, Study Finds

5.  Associated Press:  “US government sues Arizona over anti-immigration law”

6.  Arizona Republic:  “Feds file suit to stop Arizona immigrant law

7.  Arizona Republic:  “”Reaction to federal lawsuit targeting Ariz. immigration law

8.  Phoenix Business Journal:  “Feds to sue Arizona over immigration law

9.  Phoenix Business Journal:  “Justice lawsuit: Arizona immigration law interferes with federal authority

10.  Phoenix Business Journal:   “Officials react to feds challenge of Arizona immigration law

11.  Phoenix Business Journal:  “Arizona contingent backs federal challenge to immigration lawsuit