Bug still gets under the skin

David Cromer's production for Steppenwolf taps into our current conspiracy-theory culture. The lobby of Steppenwolf Theatre should have been filled with the pings and dings of Iowa caucus results as audience members exited the theater Monday night. The opening performance of Steppenwolf's premiere of Tracy Letts's Bug, directed by David Cromer, coincided with the very beginning of the Democratic primary season, after all.…