Janeane Garofalo, Bebe Neuwirth and David Strathairn will join the return engagement of the Fire Dept. Theater Company’s “At War: American Playwrights Respond to Iraq,” running Jan. 21-Feb. 4 at Off Broadway’s Bleecker Street Theater.Aiming to present a kaleidoscopic view of the Iraq war, the material was shaped by Fire Dept. artistic directors Jessica Blank, Erica Gould and Audrey Rosenberg from writings by Blank, Erik Jensen, Bathsheba Doran, Cory Hinkle, Rajiv Joseph, Ryan Kelly, Peter Maloney, Jose Rivera, Lynn Rosen and Jonathan Schaefer. The show is directed by Gould. Garofalo, Neuwirth and Strathairn will be part of a rotating roster of hosts, with other names to be announced.