April 15, 2013-LEXINGTON--- PATRIOTS' DAY LEXINGTON, MA -- VIEW FROM FRONT LINE (camera installed on re-enactor) -Re enactors wait with guns at the ready in the pre dawn on the Battle Green for the 238th Anniversary re-enactment of the first day of the American War for Independence. THIS IS STILL FROM VIDEO (globe photo: Zach Strohmeyer The Boston Globe metro )