Anwar al-Awlaki

In a major policy speech at the Northwestern University Law School, attorney general Eric Holder explained, for the first time, the U.S. justification for putting Americans on a list of those who can be killed if their capture is not possible.

With the increasing prevelance of drones, and the fact that they have killed both militants and civilians, some people are worried that a dangerous global drone arms race may be beginning. Scott Shane reports.

Leading Al Qaeda figure Anwar al-Awlaki was killed in Yemen, according to government officials in the country. Hakim Almasmari, editor in chief at the Yemen Post, joins us with more information.

News of the killing of radical cleric Anwar al-Awlaki sheds light on the relations between the U.S. government and the embattled Yemeni government. As details come to light it is likely the operation was a joint effort involving both countries.

President Barack Obama says the killing of American-born cleric Anwar Al-Awlaki is a "major blow" to al-Qaeda.

We continue our coverage of the death of Anwar Al-Awlaki, the U.S.-born cleric killed early this morning in northern Yemen. It is still not clear whether the operation was carried out by Yemeni forces or American intelligence.

Breaking this morning is the news of the death of U.S.-born cleric Anwar al-Awlaki. According to Yemen's Defense Ministry, a leading figure of Al Qaeda in the Arabian Peninsula was killed early this morning in northern Yemen.