Periodic Intervals News Today

President will transfer temporarily power to vice president kamala harris today as he undergoes a colonoscopy where hell be under anesthesia. the president is at walter reed medical center right now for his annual physical, his first since taking office. joining me is cnns chief medical correspondent dr. sanjay gupta for more. talk me through what it means that the president is getting a colonoscopy. >> so, this is a procedure, a screening procedure to try and determine if someone is developing ...