Tuesday, Common Core was dealt a blow by one of its staunchest supporters.

WSJ: New School Standards Spur a Backlash

"We believe al-Libi's death is a major blow to core al Qaeda, removing the number-two leader for the second time in less than a year and further damaging the group's morale and cohesion, and bringing it closer to its ultimate demise than ever before, " he said.

WSJ: Drone Strike Kills al Qaeda No. 2

This would be a major blow -- we believe al-Libi's death is a major blow to core al Qaeda, removing the number-two leader for the second time in less than a year and further damaging the group's morale and cohesion, and bringing it closer to its ultimate demise than ever before.

WHITEHOUSE: Press Briefing

And also, what is the core reason of why they want to blow us up?

WHITEHOUSE: Press Briefing

But it would be a blow to the hard-core European supporters who descend in droves on circuits like Monte Carlo throughout the season.

ECONOMIST: The formula that drives Formula One

The city hired the consultant Parsons Brinckerhoff in early 2011 to study the merits of extending the subway, shortly after New Jersey Gov. Chris Christie canceled the planned "Access to the Region's Core" cross-river tunnel project, which was a blow to those who believe the region is hampered by the limited capacity for trains crossing the Hudson between Manhattan and the suburbs.

WSJ: N.J. Subway Idea Lives