while george is at college in texas. but while serving in the texas national guard george w. bush has yet to discover his true calling. >> there are tremendous differences between the early lives of george w. bush and george h.w. bush. george h.w. bush goes into war at 19, sees people die, starts a life with his wife, achieves tremendous success before the age of 30. >> george w. is very conscious of the fact that he bears a famous name, that his father has done big things and is about to do more big things. >> george w., he's leading this life of beers, blender drinks, and barbecues, and he really doesn't know what he wants to do. >> the same can't be said for his 20-year-old brother, jeb. >> jeb bush is one of those guys who's very determined to move forward with his life. starting at a very young age, there was no slowing jeb bush down. >> jeb comes home for christmas and announced to his family that he is now engaged. >> jeb's fiance is kalumb