As Christians, we know that God has forgiven us for our sins. But how can we be credible to non-believers who see us sin? How can we deal with accusations of hypocrisy? Today on Just Thinking, Ravi Zacharias is back at Biola University with RZIM Speaker Stuart McAllister, president of Cross Examined dot org, Frank Turek, and cold-case homicide detective and adjunct apologetics professor, J. Warner to shed some light on how we can defend our faith.