Assertion: nerve agent's use | /r/CapableOf | change his calculus
Facets:
value: on intervening in the civil war
type: TEMPORAL
Source sentences:
text: Aug. 20, 2012: Obama says the use of chemical weapons would be a "red line" that would change his calculus on intervening in the civil war and have "enormous consequences.
text: Rhodes stated: "The president has said that the use of chemical weapons would change his calculus, and it has.