# Now that someone in Syria may have used chemical weapons (WMD), what lies behind the US "red line?"

**URL:** <https://boards.straightdope.com/t/now-that-someone-in-syria-may-have-used-chemical-weapons-wmd-what-lies-behind-the-us-red-line/653893>\
**Category:** Factual Questions\
**Created:** [March 25, 2013, 6:04am UTC](https://boards.straightdope.com/t/now-that-someone-in-syria-may-have-used-chemical-weapons-wmd-what-lies-behind-the-us-red-line/653893 "2013-03-25T06:04:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Leo\_Bloom](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/leo_bloom/32/10377_2.png) [@Leo\_Bloom](https://boards.straightdope.com/u/Leo_Bloom)\
**Post date:** [March 25, 2013, 6:04am UTC](https://boards.straightdope.com/t/now-that-someone-in-syria-may-have-used-chemical-weapons-wmd-what-lies-behind-the-us-red-line/653893/1 "2013-03-25T06:04:46Z")

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See subject. The US seems to have a bunch of “red lines” for different occasions.