four-time olympic medalist sanya richards-ross is up next.s" only on msnbc. reports" only on msnbc ♪ ♪ when technology is easier to use... ♪ barriers don't stand a chance. ♪ that's why we'll stop at nothing to deliver our technology as-a-service. ♪ this may look like a regular movie night. but if you're a kid with diabetes, it's more. to deliver our technology as-a-service. it's the simple act of enjoying time with friends, knowing you understand your glucose levels. ♪♪ still fresh unstopables in-wash scent booster downy unstopables >>> welcome back. now celebrating a milestone and a marriage like few others. former president jimmy carter and former first lady rosalynn carter celebrating 75 years of matrimony today. we get a look at their love story from our own andrea mitchell. >> it's a love story now spanning more than seven decades. former president jimmy carter and first lady rosalynn carter are the longest married first couple and now marking 75 years of marriage today. both growing up in plains, georgia, the carters went on their first