When Is Enough Evidence… Enough?

In this blast from the past, J. Warner responds listener email questioning the adequacy of circumstantial evidence. Can we really trust circumstantial evidence or must we also have direct evidence to determine the truth of a matter? How does this apply to defending the Christian Worldview? When do we know we have enough evidence to make a decision? J. Warner examines the Casey Anthony trial (one more time) in an effort to understand "evidential sufficiency".