celebrate the 4th of july. >> it is interesting, because the historian timothy snider said after the first world war, the germans too felt that they were cheated and that led to them being defeated in a second world war. when you have been defeated for being on the wrong side of history, it is wrong to acknowledge it, figure out what you did wrong and don't make that mistake again. it is not something america has fully recognized yet. renee graham is a boston globe columnist and associate editor. a multitude of questions remain after a deadly crash at a pride parade in florida right now. we're going live to the scene for the latest on the investigation. plus, the director of the national institutes of health, francis collins, joins the show to delve into the covid delta variant and the potential consequences if the u.s. misses joe biden's july 4th vaccination