Working to live out our faith in today’s culture can take us way out of our Christian bubble. Last week my preparation to speak on behalf of a ministry to victims of human trafficking landed me in a gang training seminar.    Officer Z, head of gang investigations in Lexington County in South Carolina, shot straight with us about the situation here, and maybe where you live as well.   Lexington is a nice middle-class suburb of Columbia, 80% white, 15% black, 6% hispanic 5% foreign born. The median home value is $144K. 89% have a high school diploma. 39% have a BA or higher. Officer Z gave us a…