Presidential hopeful John Kerry has based his campaign bid for the US Presidency on his Vietnam war-hero status and his three Purple Hearts.On the Garrison Show (WNDE, Indianapolis) this morning, a guest announced that soon-to-be-released excerpts from a diary kept by Kerry will shed doubt on his first Purple Heart. Apparently, Kerry notes in the diary that he did not come under actual enemy fire until days after being awarded the medal.The diary was made available to a left-wing journalist named Cockburn who was apparently more angered by Kerry's participation in various atrocities in Vietnam than by what the diary...