American officials say the deputy chief of Al-Qaeda was killed in a drone strike last week near Pakistan's border with Afghanistan.
Pakistan could not confirm it Monday.
The US says the death of Atiyah Abd al-Rahman was a major victory against the terrorist group.
The Americans have stepped-up drone attacks along Pakistan's border area.
But Adam Entous writes in Monday's Wall Street Journal that the drone strikes are damaging not only Al-Qaeda, but also US relations with Pakistan.
Anchor Marco Werman speaks with Entous to get more information on the issue.