Philip H. Gordon is the Sydney Stein Jr. scholar at the Brookings Institution. He has served in a number of senior U.S. government positions, including most recently as national security advisor to the vice president in the Biden-Harris administration.
A picture taken on Nov. 16, 2017, shows Israeli Army officer Lt. Col Elad Efrati battalion commander standing next to a tank at an army position overlooking southern Lebanon in the northern Israeli town of Metula, along Israel's border with Lebanon. (Menahem Kahana/AFP/Getty Images)
U.N. Secretary-General Antonio Guterres, U.S. President Donald Trump, and others before a meeting on U.N. reform at the U.N. headquarters in New York City on Sept. 18, 2017. (Brendan Smialowski/AFP/Getty Images)
Iranian Foreign Minister Mohammad Javad Zarif (R) shakes hands on January 14, 2015 with US State Secretary John Kerry in Geneva. Zarif said on January 14 that his meeting with his US counterpart was vital for progress on talks on Tehran's contested nuclear drive. Under an interim deal agreed in November 2013, Iran's stock of fissile material has been diluted from 20 percent enriched uranium to five percent, in exchange for limited sanctions relief. AFP PHOTO / POOL / RICK WILKING (Photo credit should read RICK WILKING/AFP/Getty Images)
