CNN The Lead With Jake Tapper May 3, 2013 20:35:00
John kerry says they're not sure. >> like all intelligence assessments, there's no absolute certitude. our assessment was confirmed by british, french and american sources. but it's true that the usage of chemical weapons by the syrian regime or anybody in syria is being monitor bied by our intelligence agency and continues to be discussed at the highest levels between the israeli and u.s. governments. >> so it's not 100% sure? >> in that world, 100% is almost an oxy moron. but we're sharing our intelligence assessments. >> lastly, your reaction to reporting by the daily beast that multiple u....