From left, Secretary of State John Kerry, Assistant to the President for Homeland Security and Counterterrorism Lisa Monaco, Vice President Joe Biden, U.N. Ambassador Samantha Power, Attorney General Loretta Lynch, President Barack Obama and Homeland Security Secretary Jeh Johnson, greet each other during a break at the Leaders’ Summit on Countering ISIL and Countering Violent Extremism, Tuesday at the United Nations. Andrew Harnik AP