mclaughlin. did you see this, she's breaking her own world record. and smashed her previous record of 51.9 seconds set during the trials in june. the 21-year-old edging out her teammate,delilah mohammed. >> i think it's important to focus on the things that you can control and for me personally what really helps is personally god. >> favorite story of the day for me, and i say this is my happiest story of the day because there are such great things happening at the