For next month's swim from cuba to the united states diana nyad is doing a 24-hour practice swim off of key west. cnn is following this, she's in the water right now, you can see that and we're going to check in live how that swim is going, after the break, you'll see this picture and we'll talk much more about this. go, diana nyad! go, go, go! more after the break! [ female announcer ] we all want to stay active. but even in your 30s bones begin to change calcium and vitamin d help keep your bones strong. yoplait has calcium and vitamin d in every cup. keep your bones strong, with yoplait.