dr. margaret harris joining us by phone. we appreciate the insight on what's happening. >>> still to come here on cnn, japan braces for a super typhoon that could disrupt a major sporting event. we're tracking the storm coming up here. ♪ ♪ [ male announcer ] united is rolling out global, satellite-fed wi-fi to connect you even 35,000 feet over the ocean. ♪ that's...wifi friendly. ♪ that's...[♪]i friendly. great rates and safety working in harmony. open an optimizer +plus account from synchrony bank. visit myoptimizerplus.com to open an account. service. security. savings. synchrony bank engage with us. that's why there's a listerine® product for every mouth. one to clean your whole mouth. one for those hard to reach places. one to protect kids mouths from cavities. even one to freshen breath on-the-go. with over 100 years of innovation in oral care... there's a listerine® product for every mouth in your house. for cleaner, healthier mouths go beyond brushing alone. listerine®. power to your mouth ™. >>> welcome back, the hea