Oz on Sen. Lindsey Graham's death, Sen. Mitch McConnell's health
The administrator of the Centers for Medicare and Medicaid Services explained aortic dissection, the cause of Graham's death. Subscribe to ABC News on ABC News
The administrator of the Centers for Medicare and Medicaid Services explained aortic dissection, the cause of Graham's death. Subscribe to ABC News on ABC News is your daily source of breaking national and world news, exclusive interviews and 24/7 live streaming coverage. Download the ABC News app for the latest headlines and alerts Connect with ABC News on social media TikTok