coming to a head this weekend in houston as the last four teams standing in the college basketball tourney duke it out. si.com's b.j. schechter joins us from houston. hey, b.j. how you doing? >> good. randi, how are you? how's your bracket? >> not well. >> you're not alone. >> no. but i want to talk about these unlikely cinderella stories here, butler and vcu, both underdogs, yet they made it this far. >> it's really a great story, and it encapsulates what the ncaa tournament is all about. when you compare it to college football where we have the bcs system, which is really an exclusionary system when you talk about some of the smaller schools, the ncaa tournament is now 68 teams. we now have a first four where vcu came from. and to think that, if the tournament hadn't expanded to 68 teams this year and was 65 like it was last year, vcu wouldn't