Patrick K. O’Donnell, Global unrest that is on the brink of World War 3

Patrick K. O’Donnell, acclaimed military historian and best- selling author. Patrick is a veteran of the battle of Fallujah in Iraq. He’s a contributor to Fox News Digital and was a consultant on the critically acclaimed series Band of Brothers. His latest book, "The Unvanquished”.

Global unrest that is on the brink of World War 3.