Sen. Lamar Alexander on how to build a health care bill

Lamar Alexander is one of the most powerful senators on health care. The Tennessee Republican leads the HELP Committee, which steers much of the key health legislation, and he's now pushing a wide-ranging bill that he says will lower health care costs. Alexander sat down with POLITICO's Dan Diamond to discuss his new health care package, what he's learned from guiding bills through Congress and how he would fix the Senate — if he could. Learn more about your ad choices. Visit megaphone.fm/adchoices