By JAMES RISEN and ERIC LICHTBLAU
The National Security Agency is facing renewed scrutiny over the extent of its domestic surveillance program, with critics in Congress saying its recent intercepts of the private telephone calls and e-mail messages of Americans are broader than previously acknowledged, current and former officials said.NY Times:E-Mail Surveillance Renews Concerns in Congress »»
The agency’s monitoring of domestic e-mail messages, in particular, has posed longstanding legal and logistical difficulties, the officials said.