FAA is issuing a NOTAM for 19-21 November warning that the strike may impact ATC operations at the airport and center level. Not saying that anything will happen--just call before you go.
I leave for Paris tomorrow--hopefully.
See NOTAM here;
http://www.cfmu.eurocontrol.int/chmi...m&aim=00092145
The Airports of Paris website hints at problems but given no details.