HHS Secretary Burwell on U.N. meeting on antibiotic overuse, Zika in U.S.
Anxiety about superbugs is running so high that world leaders will gather at the U.N. General Assembly in New York to discuss the crisis. A major report says worldwide deaths due to antibiotic resistance could surge from 700,000 to 10 million a year by 2050. Health and Human Services Secretary Sylvia Mathews Burwell joins "CBS This Morning" ahead of her General Assembly address on Wednesday.