The U.S. government has refused to confirm reports that its intelligence agencies monitored Hasan's alleged e-mail contacts with al-Awlaki.

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U.S. intelligence agencies have powerful capabilities to intercept telephone calls and e-mails, but al-Qaida has become very disciplined at avoiding electronic communication.

NPR: Risky Business: U.S. Must Rely On Foreign Spies

Obama failed to note that perhaps due to his work at the DEA, US law enforcement officials ignored testimonies from two of Headley's former wives in 2005 and 2007 that he was a member of Lashkar-e-Taibe, the India-focused Pakistani al-Qaida affiliate run by Pakistan's Inter-Services Intelligence agency.

CENTERFORSECURITYPOLICY: Addressing Israel's homegrown enemies

In the cache of nearly 3, 000 e-mails obtained by CNN, it does not appear al-Assad reciprocates her advances.

CNN: Flirtatious e-mails fill al-Assad's inbox

The lobbying e-mails were sent Tuesday, the day after Levin called for the ouster of al-Maliki upon returning from an official trip to Iraq with Warner.

CNN: Powerhouse GOP firm working to undermine Iraqi PM

Earlier this week, an e-mail dropped into my lap from Saudi Arabia's chief climate negotiator Mohammed Al-Sabban, a veteran of the process with a reputation for being a tough operator.

BBC: Climate: Fractures in the lobby?

Al Halabi, an American of Syrian descent, allegedly e-mailed information that included details about the base's flight schedule to contacts in Syria, officials said.

CNN: Airman charged with espionage at Guantanamo

One Republican congressional aide who received the e-mails this week expressed surprise that a lobbying firm with such close ties to the White House would attack al-Maliki at such a pivotal time on the debate over the war, just weeks before Bush provides a progress report to the nation.

CNN: Powerhouse GOP firm working to undermine Iraqi PM