Paul Nitze Discusses His Career as a Presidential Advisor.

Paul Nitze began his political career in FDR's administration. His research on the nuclear arms race and the Soviet Union has helped shape the US's foreign and military policy over the past several decades.

The war entered a new phase when President Trump began a U.S. naval blockade of the Strait of Hormuz. Aaron David Miller of the Carnegie Endowment for International Peace explains what this means.

In February he made headlines when he publicly resigned in protest over the war in Iraq. At the time he was political counselor in the U.S. Embassy in Athens. His postings included Morocco, Armenia, Israel and Greece. In 1994 Kiesling was one of a group of foreign service professionals presented with the Rivkin Award, given by the American Foreign Service Association for constructive dissent. Kiesling was also a member of the group of State Department officials that pushed for intervention in Bosnia.