Microsoft sues U.S. government over data requests

By Sarah McBride SAN FRANCISCO (Reuters) - Microsoft Corp has sued the U.S. government for the right to tell its customers when a federal agency is looking at their emails, the latest in a series of clashes over privacy between the technology industry and Washington. The lawsuit, filed on Wednesday in federal court in the Western District of Washington, argues that the government is violating the U.S. Constitution by preventing Microsoft from notifying thousands of customers about government req