. >> on the heels of nba center jason collins and michael sams' public announcement, umass' derrick gordon came out as first gay athlete in college sports. for a time, he considered quitting the basketball squad, but after watching and with full support of family and teammates, he was ready to share his secret. his instagram message reads, quote, this is the happiest i've ever been in my 22 years of living. no more hiding. >>> moving now to south africa, where at this hour prosecutors cross-examining olympian oscar pistorius for the second day. this follows tuesday's tearful testimony. >> what was your mistake? >> my mistake is that i took reeva's life. >> you killed her. you shot and killed her. will you take responsibility for that? >> i did, my lady. >> say yes. i killed -- i shot and killed reeva steenkamp. >> i did, my lady. >> the prosecutor then showed this video of pistorius shooting at watermelons just months before he shot steenkamp. then trying to draw comparison to the watermelon, he showed a disturbing photo of steenkamp's bloody head. of course, we're not showing it to you. >