April 19 Brings Painful Memories

As events continue to unfold in connection with Monday’s terrorist attack in Boston, Americans are marking some other somber anniversaries that fall just days after that attack. April 19 is the anniversary of the 1993 Branch Davidian siege in Waco, Texas, and the 1995 terrorist attack on the federal building in Oklahoma City. VOA National correspondent Jim Malone has more from Washington on the anniversaries and their significance.