WASHINGTON, DC - NOVEMBER 10:  U.S. Senators, staff, and journalists walk to a closed briefing given by Brett McGurk, deputy special presidential envoy for theÊGlobal CoalitionÊto Counter ISIL, at the U.S. Capitol November 10, 2015 in Washington, DC. The briefing was titled &amp;quot;Update on the Campaign &amp;quot;Update on the Campaign Against ISIS in Syria.&amp;quot;   
 (Photo by Win McNamee/Getty Images)