Jake Sullivan is a non-resident Senior Fellow at the Carnegie Endowment for International Peace. He was a deputy assistant to President Barack Obama and national security advisor to Vice President Joe Biden from 2013 to 2014, as well as director of policy planning at the U.S. State Department from 2011 to 2013.
A man begs for money in the snow along 42nd Street in Times Square in New York on March 21, 2018.
President Donald Trump, with National Security Advisor H. R. McMaster, on August 10, 2017. (Nicholas Kamm/AFP/Getty Images)
Former U.S. President Barack Obama talks with then-Secretary of State Hillary Rodham Clinton and then-Deputy Chief of Staff Jake Sullivan while attending the U.S.-ASEAN summit in Phnom Penh, Cambodia on Nov. 20, 2012. (Wikimedia Commons)
WASHINGTON, DC - JUNE 01: U.S. President Donald Trump announces his decision to pull the United States out of the Paris climate agreement in the Rose Garden at the White House June 1, 2017 in Washington, DC. Trump pledged on the campaign trail to withdraw from the accord, which former President Barack Obama and the leaders of 194 other countries signed in 2015. The agreement is intended to encourage the reduction of greenhouse gas emissions in an effort to limit global warming to a manageable level. (Photo by Chip Somodevilla/Getty Images)