Now that Senator Hillary Clinton has conceded the Democratic Presidential Primary and endorsed Senator Barack Obama, it seems appropriate to take a moment to look back. Dubbed the “Long, Flat, Seemingly Endless Bataan Death March To The White House” by the Daily Show’s Jon Stewart, the primary race was the longest in recent memory, spanning nearly six months and more than 50 contests. Slate.com has put together an entertaining 8 minute review of the entire season. Watch and enjoy: