beauty clinical trials on a new hiv vaccine.va >> as we head to break rightht now live look outside acrossde s the dmv. v. the time right now is 4:37. the temperature is thatha 36 degrees.36re but i keep saying garyar mcgrady is promising things thig are going to change.e. possibly for the better. better. we're going to let him explain n when we come back.ack. you love all-day breakfast. but you don't love that you can't get all your favorites. but now you can get more of what you love. so you can find something else to not love. like hearing the sound of your own voice. (softly) like hearing the sound of your own voice. >> ?? >>:4 >> holly morris standing by atgy our realtime news tracker. holly. >> reporter: good morning, everybody out there. first up, a newepory ou trial vaccine givg hope to hiv researchers andnd patients. pa today in south africa, afra, thousands of volunteers wills wi participate in a full scale human trial that officials arela calling the largest and most advanced dato day. four years ago a test vaccine v exposed a previously unknown uno vulnerability in the virus. it.