HeartThreads: Refugee brothers become neurosurgeons in US

'It's an amazing story of what America stands for.' As children, they fled religious persecution in their country and eventually came to the US. Now Doctors Mahan and Mayshan Ghiassi are saving lives as neurosurgeons.
Published: 1:06 PM EDT June 10, 2019
Updated: 1:06 PM EDT June 10, 2019