"I'm trying to fill a position that requires long hours and extensive travel. I don't see how anyone with small children or other family responsibilities could do the work. I want to address these concerns in my interviews with job candidates—how can I bring up these issues without being perceived as discriminating?"

First, make sure you clearly and unambiguously describe the job requirements during the interview—this will give job candidates who cannot meet the demands of the work the opportunity to opt out. Second, provide this information to all job candidates—not just the women, and not just the candidates who tell you they have small children at home. Don't assume who can do the work and who can't